Place comparison

Indonesia compared with Taiwan: area, population and density

Indonesia has about 52 times Taiwan’s land area and about 12 times its population, so its national average density is roughly a quarter of Taiwan’s. Compare the outlines, official figures and the scopes behind them.

Equal-area outline comparison

Outlines are centered and scaled by official land area; position does not show geographic location.

Area
Population
Population density
Area data date
Population data date

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The guide below belongs to this pair: Indonesia and Taiwan. Change the selector above and the page follows, so the reading always matches the tool.

Direct answer

How different are Indonesia and Taiwan?

Indonesia covers 1,892,410.1 km²; Indonesia's area is 52.3 times Taiwan's. Its reported population is 284,670,000; Indonesia's population is 12.2 times Taiwan's. By average density, Indonesia's population density is about 23.4% of Taiwan's.

Area difference

Indonesia's area is 52.3 times Taiwan's 1,892,410.1 km² · 36,197.3 km²

Population difference

Indonesia's population is 12.2 times Taiwan's 284,670,000 · 23,299,132

Density difference

Indonesia's population density is about 23.4% of Taiwan's 150.4 /km² · 643.7 /km²

Straight-line distance between geometric centres: about 3419 km; time difference: 1 hours.

On a familiar scale

  • Indonesia ≈ 641 × Kaohsiung City (reference rung) 6,648 m² of land per resident
  • Taiwan ≈ 12.3 × Kaohsiung City (reference rung) 1,554 m² of land per resident

Reference scales come from Department of Household Registration, Ministry of the Interior: Land area, households and population density by township and district (year-end 2025) , as of 2025-12-31.

How to read it

Indonesia is an archipelago of more than 17,000 islands, and 55.65% of its people live on Java, an island that is well under a tenth of its land. The national average density describes neither Java nor Papua.

Geography and shape

Indonesia stretches more than 5,000 km from Sumatra to Papua across the equator; its five largest land masses are Sumatra, Java, the Indonesian part of Borneo (Kalimantan), Sulawesi and the western half of New Guinea (Papua). Taiwan is one main island with a few small offshore groups. On a common scale Taiwan is about the size of a single mid-sized Indonesian island such as Sumba or Flores, and the outline here draws land only, from Sumatra to Papua, with no sea area.

Population context

Indonesia’s SUPAS 2025 population is about 12 times Taiwan’s registered population, while its land is about 52 times as large, so the national average density is roughly a quarter of Taiwan’s. That average hides the sharpest concentration in this dataset: 55.65% of Indonesians live on Java, which puts Java itself well above Taiwan’s density, while Kalimantan and Papua are sparsely settled. Taiwan concentrates its people on the western plain in a similar way, but on one island rather than across an archipelago.

Boundaries and definitions

Indonesia’s area is the 2022 national land total, the sum of provincial administrative land areas fixed by a Ministry of Home Affairs decree and reproduced by BPS; it excludes territorial sea, archipelagic waters and the exclusive economic zone, which would multiply the figure several times. Its population is the SUPAS 2025 survey result, a mid-2025 survey count rather than a civil-registration total, so area and population are about three years apart. Taiwan uses official administrative land area and year-end 2025 registered population. The population multiple on this page is therefore about 12.2; the joelin.cc article on the same topic uses Taiwan’s August 2026 registration and arrives at 12.26, a difference of timing, not of source. Indonesia spans three time zones; the time difference shown uses Jakarta’s WIB (UTC+7), so Bali (WITA) has no time difference from Taiwan and Papua (WIT) is one hour ahead.

Indonesia: The whole country. Area is the 2022 national land total of 1,892,410.09 km², the sum of provincial administrative land areas fixed by Minister of Home Affairs Decree 100.1.1-6117/2022 and reproduced in BPS-Statistics Indonesia's Environment Statistics of Indonesia 2023; the decree carries no reference day beyond its year, so the date shown is year-end 2022. It is land only and excludes territorial sea, archipelagic waters and the exclusive economic zone. Population is the 284.67 million result of the 2025 Intercensal Population Survey (SUPAS 2025), a mid-year survey enumerated in June–July 2025 and confirmed by BPS in May 2026; it is a survey count, not a civil-registration total, and the mid-2025 date shown is the survey's reference convention rather than an official calendar day. Area and population are about three years apart. Indonesia is an archipelago straddling the equator; the outline draws only land, from Sumatra to Papua. The country spans three time zones (WIB UTC+7, WITA UTC+8, WIT UTC+9); the offset used here is Jakarta's WIB.

Taiwan: Registered population and official administrative land area.

In-depth guide

How should Indonesia and Taiwan be understood in context?

Indonesia is the largest place on this site by a wide margin: about 52 times Taiwan’s land and about 12 times its population, which leaves its national average density at roughly a quarter of Taiwan’s. Both halves of that sentence are true and neither describes the Indonesia a visitor actually stands in, because the country is an archipelago whose people are packed onto one island.

One country, five land masses, three time zones

Indonesia runs more than 5,000 km from the northern tip of Sumatra to the border with Papua New Guinea, across the equator. The five largest land masses are Sumatra, Java, Kalimantan (the Indonesian share of Borneo, which it splits with Malaysia and Brunei), Sulawesi and Papua (the western half of New Guinea). Taiwan, at 36,197 km², is comparable to a single mid-sized Indonesian island such as Sumba or Flores, not to any of those five.

The country is wide enough to need three standard time zones: Western (WIB, UTC+7) for Sumatra, Java and western Kalimantan; Central (WITA, UTC+8) for Bali, the rest of Kalimantan, Sulawesi and Nusa Tenggara; Eastern (WIT, UTC+9) for Maluku and Papua. The time difference shown on this page uses Jakarta’s WIB, so it is one hour behind Taiwan; a traveller in Bali has no time difference with Taiwan, and one in Jayapura is an hour ahead.

Why the national density is the least useful number here

BPS reports that 55.65% of Indonesians live on Java, an island that is well under a tenth of the national land. That single fact makes Java’s own density far higher than Taiwan’s while the national average sits far below it. Kalimantan and Papua, which together hold most of the country’s land, carry a small fraction of its people. The 150-per-km² average is arithmetically correct and describes no actual place.

Taiwan has the same structure in milder form: most residents live on the western plain and the Central Range is nearly empty. The difference is that Taiwan’s concentration happens inside one island of 36,000 km², so its average is closer to what a visitor sees. Indonesia’s happens across an archipelago of nearly 1.9 million km², which is why the comparison is honest about scale and misleading about experience.

Land only, and a survey rather than a register

An archipelago produces several official “areas”. The figure here, 1,892,410.09 km², is the 2022 sum of provincial administrative land areas fixed by a Ministry of Home Affairs decree and reproduced by BPS; it excludes territorial sea, archipelagic waters and the exclusive economic zone. Figures several times larger circulate for Indonesia’s total jurisdiction, and dividing one of those by Taiwan’s land would give an impressive multiple that compares water with land. The decree carries only a year, so the area date shown is year-end 2022.

The population, 284.67 million, is the result of the 2025 Intercensal Population Survey (SUPAS 2025), enumerated in June–July 2025 and confirmed by BPS in May 2026. It is a survey count, not a civil-registration total, and it sits about three years after the area figure. Taiwan’s population is household registration at year-end 2025, which is why the multiple here is about 12.2 while the joelin.cc article on the same subject, using Taiwan’s August 2026 registration, gets 12.26. The gap is timing, not a disagreement between sources.

Do not let a province, an island or a city stand in for the country

Bali is the Indonesia most Taiwanese travellers know, and it is about 0.3% of the country’s land and 1.6% of its people. Atlas lists Bali Province as its own place, with its own comparison against Taiwan Main Island, precisely so that its numbers are never mistaken for national ones. The same discipline applies to Java: the island and the provinces on it are different statistical units, and a figure for one is not a figure for the other.

City rankings are where this goes wrong most often. Jakarta can be counted as the administrative special capital region, as a contiguous built-up area, or as the Jabodetabek commuting region, and the three totals differ by many millions. A list that places one city’s administrative population beside another city’s metropolitan population looks precise and is not comparable. This page deliberately stops at the country and links down to the province level rather than manufacturing such a table.

Questions people ask

About this geographic comparison

Which is bigger, Indonesia or Taiwan?

Indonesia is bigger, with a land area about 52.3× that of Taiwan (1,892,410.1 vs 36,197.3 km²).

How do Indonesia and Taiwan differ in area, population and density?

Indonesia is 52.3× the size of Taiwan — 1,892,410.1 km² vs 36,197.3 km². Population is 12.2× higher; average density is 23.4% as high. Each side’s scope and reference date are set out under “Boundaries and definitions” on this page.

Is Indonesia more densely populated than Taiwan?

Not as a national average: Indonesia has about 150 people per km² against Taiwan’s roughly 640, so Taiwan is about 4.3 times as dense. Java alone is denser than Taiwan; most of Kalimantan and Papua are far sparser than either.

Can Bali stand in for Indonesia in a comparison?

No. Bali Province is about 0.3% of Indonesia’s land and about 1.6% of its population. Atlas keeps it as a separate province-level place with its own comparison against Taiwan Main Island; this page is the whole country.

Why do Indonesian city population rankings disagree?

Because “city” can mean the administrative city, the contiguous built-up area or the metropolitan region. Jakarta’s administrative boundary, its urban footprint and the Jabodetabek commuting region give three different totals, and mixing them across cities produces a ranking that looks precise but is not comparable. The same applies to islands versus provinces: Java the island and any province on it are different units.

Sources

Outline data: