Japan has a population of 123.2M, compared to Greece's 10.4M. Japan is 11.8 times more populous than Greece. Economically, Japan ($4.03T) has a GDP 15.7 times larger than Greece's ($256.2B). Japan covers 377,930 km², 2.9 times larger than Greece's 131,990 km². Life expectancy in Japan stands at 84.0 years, 2.5 years higher than Greece's 81.5 years.
| Population | 123.2M | 10.4M |
| Area | 377,930 km² | 131,990 km² |
| GDP | $4.03T | $256.2B |
| GDP Per Capita | $32,487.078 | $24,626.148 |
| Life Expectancy | 84.0 yrs | 81.5 yrs |
| Infant Mortality | 1.8 | 3.2 |
| Literacy Rate | — | — |
| Unemployment | 2.5% | 8.5% |
| Capital | Tokyo | Athens |
| Region | Asia | Europe |
| Languages | Japanese | Greek |
| Currencies | JPY (¥) | EUR (€) |
Last updated: April 2026
All data sourced from World Bank Open Data (2025) and REST Countries API. Economic data may reflect most recent available year.
Japan is 11.8 times more populous than Greece, with 123.2M residents compared to 10.4M. Japan is among the world's 15 most populous countries, while Greece is a nation of 10.4M people. In terms of population density, Japan averages 326 people per km² (dense), while Greece averages 79 people per km² (moderate). Greece has grown at -0.52% annually over the past decade. Population growth data is not available for Japan.
Japan is classified as a high-income economy, while Greece is classified as a high-income economy. The Japan economy ($4.03T) is 15.7 times larger than Greece's ($256.2B). Japan's GDP per capita of $32,487.078 is 190% above the regional average of 11,200 for Asia. Greece's GDP per capita of $24,626.148 is 12% below the regional average of 28,000 for Europe. On a per-capita basis, residents of Japan are on average 1.3 times wealthier than those in Greece.
Life expectancy in Japan is 84.0 years, compared to 81.5 years in Greece, a gap of 2.5 years. Japan (84.0 years) is 12.0 years above the global average of 72 years, while Greece (81.5 years) is 9.5 years above the global average of 72 years. At 3.2 deaths per 1,000 live births, Greece's infant mortality is 78% higher than Japan's 1.8.
Japan (377,930 km²) is 2.9 times larger by land area than Greece (131,990 km²). Japan shares borders with 0 countries, while Greece borders 4 countries. Japan spans 1 timezone, compared to Greece's 1 timezone. Japan lies in Asia, while Greece is located in Europe. Japan is categorized within the Asia region (Eastern Asia), whereas Greece belongs to Europe (Southern Europe).
The most significant difference between Japan and Greece is in GDP: Japan's $4.03T compared to Greece's $256.2B represents a 94% gap. The most significant difference between Japan and Greece is in population: Japan's 123.2M compared to Greece's 10.4M represents a 92% gap. The most significant difference between Japan and Greece is in land area: Japan's 377,930 km² compared to Greece's 131,990 km² represents a 65% gap. These disparities reflect the broader structural differences between Japan's high-income economy and Greece's high-income economy.
Japan has a GDP per capita of $32,487.078, which is 1.3x that of Greece ($24,626.148). This gap reflects differences in economic development, industrial structure, and workforce productivity. In practical terms, average purchasing power in Japan is significantly higher, though cost of living differences partially offset the raw income gap.
Japan is 4.1x more densely populated than Greece (326 vs 79 people per km²). Higher density typically correlates with more urbanization, greater demand for public transit, and higher housing costs. Greece's lower density suggests more rural land use and potentially lower urban congestion.
Citizens of Japan live an average of 2.5 years longer than those of Greece (84.0 vs 81.5 years). This gap reflects differences in healthcare access, nutrition, public health infrastructure, and environmental factors. This is a moderate difference that could narrow with continued development.
Greece's economy grew at 2.1% compared to Japan's 0.1%. Both countries show healthy growth, though Greece has a modest edge in economic dynamism.
For family travel, Japan generally edges ahead due to lower infant mortality (1.8 vs 3.2 per 1,000), which is a useful proxy for healthcare infrastructure and child safety. Greece offers its own advantages, including a more compact geography that is easier to navigate with children. Both countries have family-friendly attractions, though Japan's higher GDP per capita typically correlates with better tourist infrastructure, public transport, and English-language availability.
Greece is typically the more budget-friendly destination, with a GDP per capita of $24,626.148 translating to lower prices for accommodation, food, and local transport. Budget travelers in Greece can expect to spend significantly less per day than in Japan. However, Japan may offer better value in specific categories such as intercity transport or package deals. Shoulder season travel in either country helps reduce costs further.
Japan's life expectancy of 84.0 years suggests stronger healthcare infrastructure, which is a key factor for retirees. Greece may offer a lower cost of living, which stretches pension income further. Key considerations for retirees include visa and residency requirements, healthcare access, climate preferences, and proximity to international airports. Both countries have established expat communities, though the specific visa options and healthcare quality vary by region within each country.
Japan's GDP per capita is 1.3x that of Greece, which generally correlates with a higher cost of living. Housing, dining out, and services tend to be more expensive in Japan, while Greece offers more purchasing power per dollar for everyday expenses. However, cost of living varies significantly by city within each country. Major urban centers in Greece can approach or exceed average costs in Japan's smaller cities.
For digital nomads choosing between Japan and Greece, key factors include internet infrastructure, visa policies, cost of living, and timezone compatibility with clients. Japan spans 1 timezone while Greece covers 1. Greece's lower cost of living makes it attractive for stretching remote income. Both countries have growing digital nomad communities, though specific visa requirements for remote workers differ and should be verified before committing to a longer stay.
Japan is larger by population, with 123.2M residents compared to Greece's 10.4M. Japan is 11.8 times more populous than Greece.
Japan has the higher GDP at $4.03T, compared to Greece's $256.2B. Japan's economy is 15.7 times larger.
Japan has a higher life expectancy at 84.0 years, compared to Greece's 81.5 years. The gap between the two countries is 2.5 years. Japan's life expectancy is 12.0 years above the global average of 72 years, while Greece's is 9.5 years above the global average of 72 years.
Japan is larger by land area, covering 377,930 km² compared to Greece's 131,990 km². Japan is 2.9 times larger than Greece.
Japan recognizes the following official language: Japanese. Greece recognizes: Greek. The two countries do not share an official language.
Japan has lower inflation at 2.7%, compared to Greece's 2.7%. Japan's inflation is within the 2-3% range considered stable by most central banks, while Greece's rate is within the 2-3% range considered stable by most central banks.
For family travel, Japan generally edges ahead due to lower infant mortality (1.8 vs 3.2 per 1,000), which is a useful proxy for healthcare infrastructure and child safety. Greece offers its own advantages, including a more compact geography that is easier to navigate with children. Both countries h...
Greece is typically the more budget-friendly destination, with a GDP per capita of $24,626.148 translating to lower prices for accommodation, food, and local transport. Budget travelers in Greece can expect to spend significantly less per day than in Japan. However, Japan may offer better value in s...
Japan's life expectancy of 84.0 years suggests stronger healthcare infrastructure, which is a key factor for retirees. Greece may offer a lower cost of living, which stretches pension income further. Key considerations for retirees include visa and residency requirements, healthcare access, climate ...
Japan's GDP per capita is 1.3x that of Greece, which generally correlates with a higher cost of living. Housing, dining out, and services tend to be more expensive in Japan, while Greece offers more purchasing power per dollar for everyday expenses. However, cost of living varies significantly by ci...
For digital nomads choosing between Japan and Greece, key factors include internet infrastructure, visa policies, cost of living, and timezone compatibility with clients. Japan spans 1 timezone while Greece covers 1. Greece's lower cost of living makes it attractive for stretching remote income. Bot...