Updated
Overview
Indonesia has 24 times the population of Belgium: 285.72 million people against 11.94 million (2025).
Indonesia's economy is 2.0 times the size of Belgium's, at $1.45T versus $725.47B.
Per person, Belgium is the wealthier of the two: $60,750 against $5,060 in GDP per capita.
Population
GDP (nominal)
GDP per capita
The full table
| Indicator | Indonesia | Belgium | Years | Factbook, Jan 2026 |
|---|---|---|---|---|
| Economy | ||||
| GDP (nominal) | Higher: $1.45T | $725.47B | 2025 | $1.40T / $664.56B |
| GDP per capita | $5,060 | Higher: $60,750 | 2025 | — / — |
| GDP growth | Higher: 5.1% | 1.0% | 2025 | — / — |
| Inflation | Lower: 1.9% | 2.5% | 2025 | 3.7% / 3.1% |
| Unemployment | Lower: 3.2% | 5.9% | 2025 | — / — |
| Price level (US=100) | 29 | 81 | 2025 | — / — |
| Avg monthly earnings | $182 | Higher: $7,044 | 2023 / 2025 | — / — |
| Minimum wage | $320 | Higher: $2,387 | 2024 / 2025 | — / — |
| Big Mac price | $2.38 | — | — | — / — |
| People | ||||
| Population | 285.72 million | 11.94 million | 2025 | 283.59 million / 11.96 million |
| Population growth | 0.8% | 0.7% | 2025 | — / — |
| Median age | 30.4 yrs | 41.9 yrs | 2025 | — / — |
| Fertility rate | 2.10 | 1.39 | 2025 | — / — |
| Life expectancy | 71.3 yrs | Higher: 82.3 yrs | 2024 | — / — |
| Urban population | 59% | 88% | 2025 | — / — |
| Internet users | 73% | Higher: 96% | 2024 | — / — |
| Geography | ||||
| Area | 1,904,569 km² | 30,528 km² | — | — / — |
| Population density | 150.0/km² | 391.2/km² | 2025 | — / — |
| Environment | ||||
| CO2 emissions | 812 Mt | Lower: 85 Mt | 2024 | — / — |
| CO2 per capita | Lower: 2.9 t | 7.3 t | 2024 | — / — |
| Military | ||||
| Military spending | $11.04B | $8.56B | 2024 | — / — |
| Military spending (% GDP) | 0.8% | 1.3% | 2024 | — / — |
| Armed forces personnel | 676,000 | 24,000 | 2020 | — / — |
Sources by row: World Bank WDI, IMF WEO, UN WPP 2024, ILOSTAT, The Economist. Emphasis marks the stronger figure where one direction is meaningfully better.
Reading the numbers
Economy
Indonesia is growing much faster: 5.1% annual GDP growth versus 1.0%.
Inflation is comparable in both: 1.9% in Indonesia and 2.5% in Belgium.
Day-to-day prices are noticeably lower in Indonesia: a price level of 29 versus 81 on a US=100 scale.
Average monthly earnings favour Belgium: $7,044 against $182 (ILOSTAT, latest available years).
People and society
Indonesia is the far younger society: median age 30.4 versus 41.9 years.
Life expectancy is 11.0 years longer in Belgium (82.3 vs 71.3).
Belgium is considerably more urbanized: 88% of people live in cities, against 59%.
Internet adoption is higher in Belgium (96% vs 73% of the population).
Geography
By land area, Indonesia is 62 times the size of Belgium: 1,904,569 km² versus 30,528 km².
Belgium is far more densely settled: 391 people per km² against 150.
Military
Indonesia spends 29% more on defence than Belgium: $11.04B versus $8.56B (World Bank/SIPRI data).
Indonesia fields the larger armed forces: 676,000 personnel against 24,000 (note: personnel data lags; observation years shown in the table).
Frequently asked
- Is Indonesia bigger than Belgium?
- Indonesia is larger by land area. Indonesia covers 1,904,569 km² while Belgium covers 30,528 km², so Indonesia is 62 times the size of the other.
- Which has more people, Indonesia or Belgium?
- Indonesia has the larger population: 285.72 million versus 11.94 million (World Bank, 2025).
- Is Indonesia richer than Belgium?
- Measured by GDP per capita, Belgium is richer: $60,750 against $5,060. Total GDP tells a different story: $1.45T for Indonesia versus $725.47B for Belgium.
- Who spends more on their military, Indonesia or Belgium?
- Indonesia spends more: $11.04B versus $8.56B per year (World Bank, SIPRI-derived data; observation years vary).