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Province

Zamboanga Sibugay

Zamboanga Sibugay is a province in the Zamboanga Peninsula region of Mindanao, Philippines. Its population was 661,498 in the 2024 census, and it has 16 municipalities.

  • Population: 2024 Census
  • Places: PSGC 2Q 2026
  • Checked by Scene: October 8, 2026
  • Page updated: October 2, 2026
Colour byColours the map of Zamboanga Sibugay by the figure chosen; the key beside it says what each colour means.
Zamboanga del NorteZamboanga del SurAlicia: 39,484 people, 216 per km², 0.02% a yearBuug: 38,730 people, 266 per km², 0.19% a yearDiplahan: 32,423 people, 254 per km², −0.12% a yearImelda: 29,652 people, 353 per km², 1.50% a yearIpil: 96,363 people, 572 per km², 1.81% a yearKabasalan: 48,366 people, 154 per km², 0.75% a yearMabuhay: 24,296 people, 299 per km², −9.82% a yearMalangas: 33,194 people, 275 per km², 0.87% a yearNaga: 42,270 people, 203 per km², 0.30% a yearOlutanga: 34,124 people, 532 per km², −2.81% a yearPayao: 33,156 people, 172 per km², 0.04% a yearRoseller Lim: 44,735 people, 206 per km², 0.63% a yearSiay: 43,233 people, 153 per km², 1.53% a yearTalusan: 17,925 people, 356 per km², −10.05% a yearTitay: 55,534 people, 160 per km², 0.68% a yearTungawan: 48,013 people, 108 per km², 0.77% a year

People · 2024 Census

  • Under 20,000
  • 20,000 to 31,000
  • 31,000 to 45,000
  • 45,000 to 76,000
  • 76,000 and over

The same steps colour every map of cities and municipalities in the Atlas, so a colour means the same range everywhere.

Density · people per km², 2024

  • Under 140
  • 140 to 250
  • 250 to 390
  • 390 to 750
  • 750 and over

The same steps colour every map of cities and municipalities in the Atlas, so a colour means the same range everywhere.

Growth a year · 2020–2024

  • Fell by more than 1% a year
  • Fell, by up to 1% a year
  • Grew, by under 1% a year
  • Grew by 1 to 2% a year
  • Grew by 2% a year or more

Each place's yearly change between the 2020 and 2024 censuses, on the same steps as every map in the Atlas.

Borders from UN OCHA (PSA and NAMRIA), a guide and not the legal boundary[3]Open in OpenStreetMap

  • PeopleSources

    661,498

    people counted in the 2024 censusCensusA count of every person in the country, all on one day. The 2024 census counted people as they were on 1 July 2024.More in the glossary

    Up 13.1% from 2010 to 2024

  • Rank by peopleSources

    4th

    of the 4 provinces of Zamboanga Peninsula by population, 2024Rank and shareWorked out by Scene from the PSA's counts: where a place stands among the places listed with it, and how many of every 100 of its parent's people live in it.More in the glossary

    About 13 of every 100 people in Zamboanga Peninsula lived in Zamboanga Sibugay in 2024 (13%)

  • Inside itSources

    16

    cities and municipalities

    389 barangays

  • LandSources

    3,032.59 km²

    of land, 2019 masterlistLand areaThe land inside the place's official boundary. A square kilometre is a square 1 km on each side, about the size of 140 football fields.Explained by Scene: Zamboanga Sibugay's land would fill a square about 55.1 km on each side. That is only a way to picture its size: its real shape is on the map.More in the glossary

    Average density, 2024: 218 people per km²Population densityHow crowded a place is on average: its people divided by its land area. 1,000 people per square kilometre is 10 people per hectare, a square of 100 by 100 metres.Explained by Scene: About 2 people per hectare if everyone were spread evenly across the land. In fact people live closer together in towns and farther apart in the countryside.More in the glossary

  • HomesSources

    156,635

    households in 2024HouseholdA person living alone, or people who sleep in the same home and share their meals. A family may be one household or several.More in the glossary

    4.2 people in each, on average, in 2024

  • Town or countrySources

    25.1%

    About 25 of every 100 people lived in urban barangays in 2024Urban barangayThe PSA counts a barangay as urban when it has 5,000 people or more, or a big employer, or several businesses and public services close by. Every barangay in Metro Manila is urban.More in the glossary

PSGC codePSGC codeThe code the Philippine Statistics Authority gives every place, so each one is known exactly, even when two share a name.More in the glossary
0908300000[4]Formerly 098300000

People

Zamboanga Sibugay had 661,498 people in the 2024 census, up 13.1% from 2010.
People at each census since 1960

Counts from 2000 on are on today’s borders; earlier counts are as the place was then, so the line may step where a border moved.

Zamboanga Sibugay had the fewest people of the 4 provinces of Zamboanga Peninsula in 2024[1]
  1. 1Sulu1,146,097
  2. 2Zamboanga del Norte1,067,067
  3. 3Zamboanga del Sur1,045,126
  4. 4Zamboanga Sibugay661,498
All 4 provinces of Zamboanga Peninsula
Of every 100 people in Zamboanga Sibugay in 2024[1]
Age structure · 2024 Census[5]People living in households, by age and sex
  • About 31 of every 100 are children under 15 (31.1%)
  • About 63 of every 100 are of working age, 15 to 64 (63%)
  • About 6 of every 100 are 65 or older (5.9%)
MenWomen

The figures by age

People by age group, men and women
AgePeopleMenWomen
Under 556,89529,22827,667
5 - 970,09736,21133,886
10 - 1478,55840,61737,941
15 - 1970,81536,61534,200
20 - 2456,39828,38728,011
25 - 2949,15424,73424,420
30 - 3449,29825,17924,119
35 - 3942,23421,94720,287
40 - 4436,87619,38817,488
45 - 4933,08617,36615,720
50 - 5429,96715,42114,546
55 - 5926,18413,19012,994
60 - 6421,94910,94011,009
65 - 6916,2287,8928,336
70 - 7410,9445,0765,868
75 - 795,9162,5253,391
80 - 843,4221,3222,100
85 and over2,3197911,528

Every figure, census by census

People, 2024 CensusCensusA count of every person in the country, all on one day. The 2024 census counted people as they were on 1 July 2024.More in the glossary
661,498[1, 2]
Households, 2024HouseholdA person living alone, or people who sleep in the same home and share their meals. A family may be one household or several.More in the glossary
156,635[1, 2]
People in each household, 2024
4.2 on average[1, 2]
Share of Zamboanga Peninsula, 2024Rank and shareWorked out by Scene from the PSA's counts: where a place stands among the places listed with it, and how many of every 100 of its parent's people live in it.More in the glossary
13%[1]
In urban barangays, 2024Urban barangayThe PSA counts a barangay as urban when it has 5,000 people or more, or a big employer, or several businesses and public services close by. Every barangay in Metro Manila is urban.More in the glossary
25.1% (166,209 people)[6]
Men and women, 2024
336,829 men, 323,511 women[5]People living in households
Population at each census, with its source
CensusPopulationGrowth since the census beforeHouseholdsPeople per household
2024as of July 1, 2024661,498[1, 2]−0.30% a year156,6354.2
2020as of May 1, 2020669,840[1]1.19% a year——
2015as of August 1, 2015633,129[1]1.53% a year——
2010as of May 1, 2010584,685[1]———
2007as of August 1, 2007; as it was then546,186[34]1.30% a year——
2000as of May 1, 2000; on today’s borders497,239[34, 35]2.14% a year——
1995as of September 1, 1995; as it was then450,340[34]1.91% a year——
1990as of May 1, 1990; as it was then407,038[34]3.86% a year——
1980as of May 1, 1980; as it was then278,762[34]1.96% a year——
1975as of May 1, 1975; as it was then252,916[34]1.40% a year——
1970as of May 6, 1970; as it was then236,005[34]7.74% a year——
1960as of February 15, 1960; as it was then110,085[34]———

Cities and municipalities

Zamboanga Sibugay is made up of 16 municipalities, with 389 barangays in all.
Cities and municipalities of Zamboanga Sibugay. Each column heading sorts the table.
[1, 7]Share (2024)
Alicia39,4845.97%0.02% a year183.08 km²
Buug38,7305.85%0.19% a year145.76 km²
Diplahan32,4234.9%−0.12% a year127.47 km²
Imelda29,6524.48%1.50% a year84.03 km²
Ipil96,36314.57%1.81% a year168.46 km²
Kabasalan48,3667.31%0.75% a year314.76 km²
Mabuhay24,2963.67%−9.82% a year81.17 km²
Malangas33,1945.02%0.87% a year120.61 km²
Naga42,2706.39%0.30% a year207.91 km²
Olutanga34,1245.16%−2.81% a year64.14 km²
Payao33,1565.01%0.04% a year192.33 km²
Roseller Lim44,7356.76%0.63% a year217.01 km²
Siay43,2336.54%1.53% a year282.86 km²
Talusan17,9252.71%−10.05% a year50.32 km²
Titay55,5348.4%0.68% a year346.82 km²
Tungawan48,0137.26%0.77% a year445.86 km²

Land & Environment

Zamboanga Sibugay covers 3,032.59 km² of land, 218 people for every km² in 2024. Its land rises to 967 m above the sea and it has 604 km of coast.
Land areaLand areaThe land inside the place's official boundary. A square kilometre is a square 1 km on each side, about the size of 140 football fields.More in the glossary
3,032.59 km²[7]As listed in the 2019 Masterlist of Land Areas (LMB, DENR)
Average density, 2024Population densityHow crowded a place is on average: its people divided by its land area. 1,000 people per square kilometre is 10 people per hectare, a square of 100 by 100 metres.More in the glossary
218 people per km²[7]
Coordinates
7.66084° N, 122.91512° E[3]The point inside its border farthest from every edge, so it always falls within the place.
Height above the sea[31]
Lowest
Sea level
Average
137 m
Highest
967 m

Heights from the Copernicus DEM, a 30 m model of the surface: it reads the tops of trees and roofs, not the bare ground, over the land inside the border, the sea left out. Produced using Copernicus WorldDEM-30 © DLR e.V. 2010-2014 and © Airbus Defence and Space GmbH 2014-2018 provided under COPERNICUS by the European Union and ESA; all rights reserved.

Water, coast and peaks

604.0 km of coastline[32]

Rivers[32]

  1. Sibuguey River66.0 of 112.4 km
  2. Bakalan River57.4 of 58.4 km
  3. Tupilac River33.1 km
  4. Sanito River28.2 of 28.3 km
  5. Baga River25.3 of 26.0 km
  6. Quipit River22.1 of 36.1 km
  7. Kabasalan River20.3 km
  8. Lutiman River18.5 of 18.7 km

The longest inside it: 24 in all.

Peaks[32]

  1. Quipit Peak901 m
  2. Mount Silingan711 m
  3. Matanog Peak686 m
  4. Tupilac Peak683 m
  5. Mount Kaladis584 m
  6. Mount Sibuguey376 m

The highest: 25 in all.

Named rivers, lakes and peaks as OpenStreetMap mapped them on 30 September 2026, and the coast within 150 m of the border. Map data © OpenStreetMap contributors, under the Open Database License.

Climate

Climate typeClimate typePAGASA sorts the country's climate into four types by when the rain falls. Type I has a dry season from November to April and a wet one for the rest of the year; Type II has no dry season, with the most rain from December to February; Type III has a short dry season; Type IV has rain spread through the year.More in the glossary

Type III[33]

No clear rainiest time of year, and a short dry season of one to three months, in December to February or in March to May.

Covers about 54 of every 100 parts of its land. Read by Scene off PAGASA's climate map, so approximate: the type that covers most of the place's land.

Life & Economy

Zamboanga Sibugay's economy made ₱83.9 billion of goods and services in 2025, ₱118,654 for each person. About 24 of every 100 people lived below the poverty line in 2023.
Economy, 2025Gross domestic productThe value of all the goods and services made in a place in a year: the size of its economy. The PSA measures it for every region, province and highly urbanized city. Counted at 2018 prices, it leaves out the rise in prices, so one year can be set beside another.More in the glossary
₱83.9 billion[18]Its gross domestic product at current prices; ₱66.4 billion at 2018 prices.
Growth, 2024–2025
1.6%[19]How much more it made than the year before, at 2018 prices.
For each person, 2025
₱118,654[20]Its economy divided by its projected population, at current prices, as the PSA works it out.
Poverty, 2023Poverty incidenceHow many of every 100 people live in families whose income is below the poverty line: what a person needs in a year for food and other basic needs, as the PSA sets it for each province. It is an estimate, from a survey or, for a town, a statistical model, so the PSA gives a range it is likely to fall in.More in the glossary
24.2% of people[21]Below the poverty line, by the PSA's survey.
Income classIncome classThe Department of Finance sorts provinces, cities and municipalities into classes by their average yearly income over recent years: 1st class has the most. It measures the local government's income, not how well off its people are.More in the glossary
1st class[4]
About 24 of every 100 people in Zamboanga Sibugay lived below the poverty line in 2023 (24.2%)[21]

The PSA's survey puts it between 20.6% and 27.8%, with 95% confidence. The poverty line was ₱26,557 a person for the year.

Public places

  • 119government offices
  • 48hospitals and health centres
  • 502schools
  • 34places of worship
  • 7markets
  • 12stations and terminals
  • 6parks
  • 2beaches
  • 1monument or memorial

Counted from OpenStreetMap[3, 8]. Each town's page lists its own; this page lists the stations, parks, beaches and monuments.

Where a kind has more than 8, this page shows 6: first those with “Zamboanga Sibugay” in their name, then one in each of its most populous cities and municipalities.

Stations and terminals12

6 more stations and terminals are listed on the pages of the cities and municipalities they stand in. See the 16 cities and municipalities of Zamboanga Sibugay

Parks6

Beaches2

Monuments and memorials1

As OpenStreetMap maps them on September 30, 2026. Map data © OpenStreetMap contributors, under the Open Database License.

Government & Leaders

A governor leads Zamboanga Sibugay. Its local laws, called ordinances, are passed by the Sangguniang Panlalawigan (the provincial board), led by the vice governor. The governor, the vice governor and the board's elected members serve three-year terms, and none may serve more than three in a row.[15, 16]

Capital
Ipil[4]

2 legislative districtsLegislative districtThe area that elects one member of the House of Representatives. A big province or city may have several.More in the glossary[9, 17]

Each district elects one member of the House of Representatives. These are the districts as the laws drew them for the 2025 elections.

1st district

2nd district

Leaders

The governor and vice governor elected at each election since 2001, as COMELEC's lists of the elected name them, and those in office now, as the DILG's directory lists them.

  1. 2025–2028In office as of February 2026

    Governor
    Dulce Ann Kintanar Hofer[22]
    Vice governor
    Richard Dy Olegario[22]

  2. 2022–2025

    Governor
    Dulce Ann Kintanar Hofer[23]
    Vice governor
    Rey Andre Camacho Olegario[23]

  3. 2019–2022

    Governor
    Wilter Yap Palma[24]
    Vice governor
    Rey Andre Camacho Olegario[24]

  4. 2016–2019

    Governor
    Wilter Yap Palma[25]
    Vice governor
    Eldwin Mangubat Alibutdan[25]

  5. 2013–2016

    Governor
    Wilter Yap Palma[26]
    Vice governor
    Rey Andre Camacho Olegario[26]

  6. 2010–2013

    Governor
    Rommel Apolinario Jalosjos[27]
    Vice governor
    Rey Andre Camacho Olegario[27]

  7. 2007–2010

    Governor
    George Tacao Hofer[28]
    Vice governor
    Rey Andre Camacho Olegario[28]

  8. 2004–2007

    Governor
    Jeorge Tocao Hofer[29]
    Vice governor
    Eric Aguinaldo Cabarios[29]

  9. 2001–2004

    Governor
    George T. Hofer[30]
    Vice governor
    Eugenio L. Famor[30]
Governors and vice governors of Zamboanga Sibugay, by term
TermGovernorVice governor
2025–2028In office as of February 2026Dulce Ann Kintanar Hofer[22]Richard Dy Olegario[22]
2022–2025Dulce Ann Kintanar Hofer[23]Rey Andre Camacho Olegario[23]
2019–2022Wilter Yap Palma[24]Rey Andre Camacho Olegario[24]
2016–2019Wilter Yap Palma[25]Eldwin Mangubat Alibutdan[25]
2013–2016Wilter Yap Palma[26]Rey Andre Camacho Olegario[26]
2010–2013Rommel Apolinario Jalosjos[27]Rey Andre Camacho Olegario[27]
2007–2010George Tacao Hofer[28]Rey Andre Camacho Olegario[28]
2004–2007Jeorge Tocao Hofer[29]Eric Aguinaldo Cabarios[29]
2001–2004George T. Hofer[30]Eugenio L. Famor[30]

History & Identity

Zamboanga Sibugay's fiesta and days

Everything listed for Zamboanga Sibugay in Now

Created
Created by Republic Act No. 8973, the Charter of the Province of Zamboanga Sibugay, approved 7 November 2000 and ratified in a plebiscite on 22 February 2001[9, 10]

How it got its name

The name was chosen by Congressman George T. Hofer, who carried the bill for the new province through Congress and gave the proposed province the name Zamboanga Sibugay.[11]

Its story

Its territory was part of the Province of Zamboanga, created in 1914, and from 1952 of Zamboanga del Sur.[12, 13]

Bills to divide Zamboanga del Sur were filed from the early 1960s on, by Representative Vincenzo Sagun and later Congresswoman Belma Cabilao, but none was acted on. In 1993 a Zamboanga Occidental Movement revived the cause in the province's Third District, and in a people's initiative held with the May 1997 barangay elections most voters signed for a new province.[11]

Congressman George T. Hofer's House Bill No. 1311 became Republic Act No. 8973, signed by President Joseph Estrada on 7 November 2000. It made sixteen towns a province with Ipil as its capital, and it was ratified in a plebiscite on 22 February 2001; Hofer was appointed and later elected its first governor.[9, 10, 11]

The province marks its founding anniversary on 24 February; its 24th fell in 2025.[14]

Timeline

  1. 23 July 1914

    Act No. 2408 sets up the civil Province of Zamboanga.[12]

  2. 6 June 1952

    Republic Act No. 711 divides Zamboanga; this territory becomes part of Zamboanga del Sur.[13]

  3. May 1997

    In a people's initiative, most voters of the Third District sign for a new province.[11]

  4. 7 November 2000

    Republic Act No. 8973 creates the Province of Zamboanga Sibugay, with Ipil as its capital.[9]

  5. 22 February 2001

    A plebiscite ratifies the new province.[10]

Changes since 1977

As the Philippine Statistics Authority recorded them in its list of places.

  1. January to March 2001

    Created, by RA 8973.[36]

Nearby

Zamboanga Sibugay shares a border with Zamboanga del Norte and Zamboanga del Sur.

How it compares

Zamboanga Sibugay beside Zamboanga Peninsula, and where it stands among the provinces of Zamboanga Peninsula.

Zamboanga Sibugay beside Zamboanga Peninsula
FigureZamboanga SibugayZamboanga PeninsulaRank among the provinces of Zamboanga Peninsula
People, 2024CensusA count of every person in the country, all on one day. The 2024 census counted people as they were on 1 July 2024.More in the glossary661,498[1, 2]5,089,9344th of 4
Growth a year, 2020–2024Growth a yearHow fast the number of people changed each year between two censuses. 1% a year means about 1 more person for every 100 people, each year.More in the glossary−0.30% a year[1, 2]slower1.04% a year4th of 4
People per km², 2024Population densityHow crowded a place is on average: its people divided by its land area. 1,000 people per square kilometre is 10 people per hectare, a square of 100 by 100 metres.More in the glossary218[7]less crowded2783rd of 4
Land areaLand areaThe land inside the place's official boundary. A square kilometre is a square 1 km on each side, about the size of 140 football fields.More in the glossary3,032.59 km²[7]18,291.44 km²3rd of 4
People in each household, 2024HouseholdA person living alone, or people who sleep in the same home and share their meals. A family may be one household or several.More in the glossary4.2[1, 2]about the same4.2not ranked
In urban barangays, 2024Urban barangayThe PSA counts a barangay as urban when it has 5,000 people or more, or a big employer, or several businesses and public services close by. Every barangay in Metro Manila is urban.More in the glossary25.1%[6]lower40.3%not ranked

Sources

Page updated October 2, 2026. Sources checked by Scene October 8, 2026.
  1. 1.Philippine Statistics Authority. Population and Annual Population Growth Rate of the Philippines and its Regions, Provinces, and Highly Urbanized Cities Based on the 2010, 2015, 2020 and 2024 Population Census (OpenSTAT table 0211A6DAPG0). Published August 7, 2026. Read by Scene October 2, 2026. CC BY (PSA Terms of Use). Open the source
  2. 2.Philippine Statistics Authority. Total Population, Household Population, and Number of Households by Province, City, Municipality, and Barangay as of 01 July 2024: Zamboanga Peninsula (OpenSTAT table 0091A6DTPH8). Published August 5, 2026. Read by Scene October 2, 2026. CC BY (PSA Terms of Use). Open the source
  3. 3.UN OCHA, from the PSA and NAMRIA. Philippines: Subnational Administrative Boundaries (COD-AB), barangay layer. Published February 13, 2025. Read by Scene September 25, 2026. CC BY-IGO 3.0. Open the source
  4. 4.Philippine Statistics Authority. Philippine Standard Geographic Code (PSGC), 2nd Quarter 2026: Publication Datafile. Published June 30, 2026. Read by Scene September 24, 2026. CC BY (PSA Terms of Use). Open the source
  5. 5.Philippine Statistics Authority. Household Population by Age-Group Region, Province, and Highly Urbanized City: Philippines, 2024 Census of Population (OpenSTAT table 0201A6DPAG0). Published August 7, 2026. Read by Scene October 2, 2026. CC BY (PSA Terms of Use). Open the source
  6. 6.Philippine Statistics Authority. Total Population and Urban Population by Urban Classification and Region, Province, Highly Urbanized City, City/Municipality and Barangay: Philippines, 2024 (OpenSTAT table 0231A6DPUP0). Published August 7, 2026. Read by Scene October 2, 2026. CC BY (PSA Terms of Use). Open the source
  7. 7.Philippine Statistics Authority, from the Land Management Bureau (DENR). Population, Land Area, Population Density, and Percent Change in Population Density by Region, Province/Highly Urbanized City, and City/Municipality: 2015, 2020, and 2024 (OpenSTAT table 0221A6DLPD0). Published August 7, 2026. Read by Scene October 2, 2026. CC BY (PSA Terms of Use). Open the source
  8. 8.OpenStreetMap contributors. Named public places in OpenStreetMap: schools, hospitals and health centres, places of worship, government offices, markets, stations, parks, beaches and monuments, from Geofabrik's extract of the Philippines. Published September 30, 2026. Read by Scene October 2, 2026. ODbL 1.0. Open the source
  9. 9.Congress of the Philippines. Republic Act No. 8973: An Act creating the Province of Zamboanga Sibugay from the Province of Zamboanga del Sur. Published November 7, 2000. Read by Scene October 2, 2026. Philippine government work, no copyright (Republic Act No. 8293, Section 176.1). Open the source
  10. 10.Provincial Government of Zamboanga Sibugay. Welcome to Zamboanga Sibugay (home page, as archived by the Internet Archive on 17 December 2025). Read by Scene October 2, 2026. Philippine government work, no copyright (Republic Act No. 8293, Section 176.1). Open the source
  11. 11.Provincial Government of Zamboanga Sibugay. History (2016 site, as archived by the Internet Archive on 28 December 2016). Read by Scene October 2, 2026. Philippine government work, no copyright (Republic Act No. 8293, Section 176.1). Open the source
  12. 12.Philippine Commission. Act No. 2408: An Act Providing a Temporary Form of Government for the Territory Known as the Department of Mindanao and Sulu, Making Applicable thereto, with Certain Exceptions, the Provisions of General Laws Now in Force in the Philippine Islands, and for Other Purposes. Published July 23, 1914. Read by Scene October 2, 2026. Philippine government work, no copyright (Republic Act No. 8293, Section 176.1). Open the source
  13. 13.Congress of the Philippines (text from the Chan Robles Virtual Law Library). Republic Act No. 711: An Act to Create the Provinces of Zamboanga del Norte and Zamboanga del Sur. Published June 6, 1952. Read by Scene October 2, 2026. Philippine government work, no copyright (Republic Act No. 8293, Section 176.1). Open the source
  14. 14.Office of the President of the Philippines. Proclamation No. 782, s. 2025: Declaring Monday, 24 February 2025, a Special (Non-Working) Day in the Province of Zamboanga Sibugay. Published January 23, 2025. Read by Scene October 2, 2026. Philippine government work, no copyright (Republic Act No. 8293, Section 176.1). Open the source
  15. 15.Congress of the Philippines. Republic Act No. 7160: the Local Government Code of 1991. Published October 10, 1991. Read by Scene October 2, 2026. Philippine government work, no copyright (Republic Act No. 8293, Section 176.1). Open the source
  16. 16.1986 Constitutional Commission. The 1987 Constitution of the Republic of the Philippines. Published February 2, 1987. Read by Scene October 2, 2026. Philippine government work, no copyright (Republic Act No. 8293, Section 176.1). Open the source
  17. 17.Congress of the Philippines. Republic Act No. 9360: An Act creating another congressional district in the Province of Zamboanga Sibugay, amending Republic Act No. 8973. Published October 26, 2006. Read by Scene October 2, 2026. Philippine government work, no copyright (Republic Act No. 8293, Section 176.1). Open the source
  18. 18.Philippine Statistics Authority. Gross Domestic Product by Province and HUC (OpenSTAT table 0012A5FPPA0). Published August 28, 2026. Read by Scene October 2, 2026. CC BY (PSA Terms of Use). Open the source
  19. 19.Philippine Statistics Authority. Gross Domestic Product by Province and HUC, Growth Rates (OpenSTAT table 0032A5FPPA2). Published August 28, 2026. Read by Scene October 2, 2026. CC BY (PSA Terms of Use). Open the source
  20. 20.Philippine Statistics Authority. Per Capita Gross Domestic Product by Province and HUC (OpenSTAT table 0092A5FPPA8). Published August 28, 2026. Read by Scene October 2, 2026. CC BY (PSA Terms of Use). Open the source
  21. 21.Philippine Statistics Authority (PSA). Table 2a. Annual Per Capita Poverty Threshold and Poverty Incidence Among Population with Measures of Precision, by Region, Province and Highly Urbanized Cities: 2018, 2021, and 2023 (OpenSTAT table 0041F3DF02A). Published August 15, 2024. Read by Scene October 2, 2026. CC BY (PSA Terms of Use). Open the source
  22. 22.Department of the Interior and Local Government (DILG). Directory of LGU Elective Officials for Term 2025-2028 as of February 2026 (its sheet: Consolidated List of Officials for Election Terms (2025-2028)), released through the FOI portal. Published February 2026. Read by Scene October 2, 2026. A work of the Government of the Philippines: RA 8293, Section 176 (no copyright subsists in it; exploiting it for profit needs the agency's prior approval). Open the source
  23. 23.Commission on Elections (COMELEC), Records and Statistics Division, ERSD. List of Elected Provincial Candidates, May 9, 2022 National and Local Elections. Published December 23, 2025. Read by Scene October 2, 2026. Public domain: comelec.gov.ph says "All content is in the public domain unless otherwise stated." Each list carries COMELEC's data privacy notice (RA 10173).. Open the source
  24. 24.Commission on Elections (COMELEC), Records and Statistics Division, ERSD. List of Elected Provincial Candidates, May 13, 2019 National and Local Elections. Published December 23, 2025. Read by Scene October 2, 2026. Public domain: comelec.gov.ph says "All content is in the public domain unless otherwise stated." Each list carries COMELEC's data privacy notice (RA 10173).. Open the source
  25. 25.Commission on Elections (COMELEC), Records and Statistics Division, ERSD. List of Elected Provincial Candidates, May 9, 2016 National and Local Elections. Published January 12, 2026. Read by Scene October 2, 2026. Public domain: comelec.gov.ph says "All content is in the public domain unless otherwise stated." Each list carries COMELEC's data privacy notice (RA 10173).. Open the source
  26. 26.Commission on Elections (COMELEC), Records and Statistics Division, ERSD. List of Elected Provincial Candidates, May 13, 2013 National and Local Elections. Published January 12, 2026. Read by Scene October 2, 2026. Public domain: comelec.gov.ph says "All content is in the public domain unless otherwise stated." Each list carries COMELEC's data privacy notice (RA 10173).. Open the source
  27. 27.Commission on Elections (COMELEC), Records and Statistics Division, ERSD. List of Elected Provincial Candidates, May 10, 2010 National and Local Elections. Published January 10, 2026. Read by Scene October 2, 2026. Public domain: comelec.gov.ph says "All content is in the public domain unless otherwise stated." Each list carries COMELEC's data privacy notice (RA 10173).. Open the source
  28. 28.Commission on Elections (COMELEC), Records and Statistics Division, ERSD. List of Elected Provincial Candidates, May 14, 2007 National and Local Elections. Published January 14, 2026. Read by Scene October 2, 2026. Public domain: comelec.gov.ph says "All content is in the public domain unless otherwise stated." Each list carries COMELEC's data privacy notice (RA 10173).. Open the source
  29. 29.Commission on Elections (COMELEC), Records and Statistics Division, ERSD. List of Elected Provincial Candidates, May 10, 2004 National and Local Elections. Published January 8, 2026. Read by Scene October 2, 2026. Public domain: comelec.gov.ph says "All content is in the public domain unless otherwise stated." Each list carries COMELEC's data privacy notice (RA 10173).. Open the source
  30. 30.Commission on Elections (COMELEC), Records and Statistics Division, ERSD. List of Elected Provincial Candidates, May 14, 2001 National and Local Elections (its pages are headed "LIST OF ELECTED MEMBER, HOUSE OF REPRESENTATIVES"). Published January 8, 2026. Read by Scene October 2, 2026. Public domain: comelec.gov.ph says "All content is in the public domain unless otherwise stated." Each list carries COMELEC's data privacy notice (RA 10173).. Open the source
  31. 31.European Union and the European Space Agency (Copernicus), from DLR and Airbus Defence and Space (WorldDEM). Copernicus DEM GLO-30: global digital surface model at 30 m, one-degree tiles (2021 release). Published 2021. Read by Scene October 2, 2026. Copernicus DEM GLO-30 licence: free, any use including commercial, with the Copernicus notice. Open the source
  32. 32.OpenStreetMap contributors, extract by Geofabrik. Named rivers, lakes, reservoirs, peaks and the coastline of the Philippines in OpenStreetMap (Geofabrik extract, cut by osmium). Published September 30, 2026. Read by Scene October 2, 2026. ODbL 1.0. Open the source
  33. 33.Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA), Climatology and Agrometeorology Division. Climate Map of the Philippines (1951-2010), Modified Coronas Climate Classification. Published August 2014. Read by Scene October 2, 2026. A work of the Government of the Philippines: no copyright (RA 8293 s.176.1); PAGASA's approval is needed to use it for profit. Open the source
  34. 34.Philippine Statistics Authority. 2015 Census of Population, Statistical Tables, Table 1: Population Enumerated in Various Censuses by City/Municipality, 1960-2015 (one workbook for each province, highly urbanized city and region). Published 2017. Read by Scene October 2, 2026. CC BY (PSA Terms of Use). Open the source
  35. 35.Philippine Statistics Authority. 2020 Census of Population and Housing: Table A (Population and Annual Growth Rate for the Philippines and its Regions, Provinces and Highly Urbanized Cities) and Table B (Population and Annual Growth Rates by Province, City and Municipality, by Region). Published July 2021. Read by Scene October 2, 2026. CC BY (PSA Terms of Use). Open the source
  36. 36.Philippine Statistics Authority. Philippine Standard Geographic Code (PSGC), 2nd Quarter 2026: Summary of Changes, every change to a place since 1977. Published June 30, 2026. Read by Scene October 2, 2026. CC BY (PSA Terms of Use). Open the source

Scene adds what the sources do not print themselves: growth rates, shares, barangay areas and densities, coordinates, neighbours and distances, each computed from the figures and borders above. How each is made.

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Scene.ph. “Zamboanga Sibugay.” Scene Atlas. Updated October 2, 2026. https://scene.ph/atlas/zamboanga-sibugay