Updated
Overview
Japan has 11 times the population of Czechia (Czech Republic): 123.37 million people against 10.89 million (2025).
Japan's economy is 11 times the size of Czechia (Czech Republic)'s, at $4.44T versus $391.03B.
Population
GDP (nominal)
GDP per capita
The full table
| Indicator | Japan | Czechia (Czech Republic) | Years | Factbook, Jan 2026 |
|---|---|---|---|---|
| Economy | ||||
| GDP (nominal) | Higher: $4.44T | $391.03B | 2025 | $4.03T / $345.04B |
| GDP per capita | Higher: $35,951 | $35,917 | 2025 | — / — |
| GDP growth | 1.2% | Higher: 2.6% | 2025 | — / — |
| Inflation | 3.2% | Lower: 2.5% | 2025 | 2.7% / 2.4% |
| Unemployment | Lower: 2.5% | 2.8% | 2025 | — / — |
| Price level (US=100) | 65 | 59 | 2025 | — / — |
| Avg monthly earnings | Higher: $2,801 | $2,716 | 2021 / 2025 | — / — |
| Minimum wage | Higher: $1,207 | $951 | 2024 / 2025 | — / — |
| Big Mac price | $3.08 | $5.43 | — | — / — |
| People | ||||
| Population | 123.37 million | 10.89 million | 2025 | 123.20 million / 10.84 million |
| Population growth | -0.5% | -0.2% | 2025 | — / — |
| Median age | 49.8 yrs | 43.8 yrs | 2025 | — / — |
| Fertility rate | 1.23 | 1.47 | 2025 | — / — |
| Life expectancy | Higher: 84.0 yrs | 80.0 yrs | 2024 | — / — |
| Urban population | 92% | 73% | 2025 | — / — |
| Internet users | 86% | Higher: 88% | 2024 | — / — |
| Geography | ||||
| Area | 377,930 km² | 78,865 km² | — | — / — |
| Population density | 326.4/km² | 138.0/km² | 2025 | — / — |
| Environment | ||||
| CO2 emissions | 962 Mt | Lower: 76 Mt | 2024 | — / — |
| CO2 per capita | 7.8 t | Lower: 7.0 t | 2024 | — / — |
| Military | ||||
| Military spending | $55.27B | $6.52B | 2024 | — / — |
| Military spending (% GDP) | 1.4% | 1.9% | 2024 | — / — |
| Armed forces personnel | 261,000 | 27,000 | 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
Czechia (Czech Republic) is growing faster: 2.6% annual GDP growth versus 1.2%.
Inflation is comparable in both: 3.2% in Japan and 2.5% in Czechia (Czech Republic).
Average monthly earnings favour Japan: $2,801 against $2,716 (ILOSTAT, latest available years).
People and society
Czechia (Czech Republic) is the younger society: median age 43.8 versus 49.8 years.
Life expectancy is 4.1 years longer in Japan (84.0 vs 80.0).
Japan is considerably more urbanized: 92% of people live in cities, against 73%.
Geography
By land area, Japan is 4.8 times the size of Czechia (Czech Republic): 377,930 km² versus 78,865 km².
Japan is far more densely settled: 326 people per km² against 138.
Military
Japan spends 8.5 times as much on defence as Czechia (Czech Republic): $55.27B versus $6.52B (World Bank/SIPRI data).
Japan fields the larger armed forces: 261,000 personnel against 27,000 (note: personnel data lags; observation years shown in the table).
Frequently asked
- Is Japan bigger than Czechia (Czech Republic)?
- Japan is larger by land area. Japan covers 377,930 km² while Czechia (Czech Republic) covers 78,865 km², so Japan is 4.8 times the size of the other.
- Which has more people, Japan or Czechia (Czech Republic)?
- Japan has the larger population: 123.37 million versus 10.89 million (World Bank, 2025).
- Is Japan richer than Czechia (Czech Republic)?
- They are effectively level on GDP per capita: $35,951 for Japan against $35,917 for Czechia (Czech Republic), a gap too small to call. Total GDP tells the same story: $4.44T for Japan versus $391.03B for Czechia (Czech Republic).
- Who spends more on their military, Japan or Czechia (Czech Republic)?
- Japan spends more: $55.27B versus $6.52B per year (World Bank, SIPRI-derived data; observation years vary).
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