Solomon Islands vs Japan
Solomon Islands has a population of 750K, compared to Japan's 123.2M. Japan is 164.2 times more populous than Solomon Islands. Economically, Japan ($4.03T) has a GDP 2542.7 times larger than Solomon Islands's ($1.6B). Japan covers 377,930 km², 13.1 times larger than Solomon Islands's 28,896 km². Life expectancy in Japan stands at 84.0 years, 13.5 years higher than Solomon Islands's 70.5 years.
Solomon IslandsJapan| Population | -99.4%750K | +16320.9%123.2M |
| Area | -92.4%28,896 km² | +1207.9%377,930 km² |
| GDP | -100.0%$1.6B | +254173.2%$4.03T |
| GDP Per Capita | -94.0%$1,933.555 | +1580.2%$32,487.078 |
| Life Expectancy | -16.1%70.5 yrs | +19.2%84.0 yrs |
| Infant Mortality | +816.7%16.5 | -89.1%1.8 |
| Literacy Rate | — | — |
| Unemployment | -41.6%1.4% | +71.3%2.5% |
| Capital | Honiara | Tokyo |
| Region | Oceania | Asia |
| Languages | English | Japanese |
| Currencies | SBD ($) | JPY (¥) |
Last updated: March 2026
All data sourced from World Bank Open Data (2025) and REST Countries API. Economic data may reflect most recent available year.
Population Comparison
Japan is 164.2 times more populous than Solomon Islands, with 123.2M residents compared to 750K. Solomon Islands is a nation of 750K people, while Japan is among the world's 15 most populous countries. In terms of population density, Solomon Islands averages 26 people per km² (sparse), while Japan averages 326 people per km² (dense). Solomon Islands has grown at 3.01% annually over the past decade. Population growth data is not available for Japan.
Economy Comparison
Solomon Islands is classified as a lower-middle-income economy, while Japan is classified as a high-income economy. The Japan economy ($4.03T) is 2542.7 times larger than Solomon Islands's ($1.6B). Solomon Islands's GDP per capita of $1,933.555 is 94% below the regional average of 31,500 for Oceania. Japan's GDP per capita of $32,487.078 is 190% above the regional average of 11,200 for Asia. On a per-capita basis, residents of Japan are on average 16.8 times wealthier than those in Solomon Islands.
Health & Quality of Life
Life expectancy in Solomon Islands is 70.5 years, compared to 84.0 years in Japan, a gap of 13.5 years. Japan (84.0 years) is 12.0 years above the global average of 72 years, while Solomon Islands (70.5 years) is 1.5 years below the global average of 72 years. At 16.5 deaths per 1,000 live births, Solomon Islands's infant mortality is 817% higher than Japan's 1.8.
Geographic Comparison
Japan (377,930 km²) is 13.1 times larger by land area than Solomon Islands (28,896 km²). Solomon Islands shares borders with 0 countries, while Japan borders 0 countries. Solomon Islands spans 1 timezone, compared to Japan's 1 timezone. Solomon Islands lies in Oceania, while Japan is located in Asia. Solomon Islands is categorized within the Oceania region (Melanesia), whereas Japan belongs to Asia (Eastern Asia).
Key Differences
The most significant difference between Solomon Islands and Japan is in GDP: Solomon Islands's $1.6B compared to Japan's $4.03T represents a 100% gap. The most significant difference between Solomon Islands and Japan is in population: Solomon Islands's 750K compared to Japan's 123.2M represents a 99% gap. The most significant difference between Solomon Islands and Japan is in GDP per capita: Solomon Islands's $1,933.555 compared to Japan's $32,487.078 represents a 94% gap. These disparities reflect the broader structural differences between Solomon Islands's lower-middle-income economy and Japan's high-income economy.
At a Glance: What the Numbers Mean
Living Standards
Japan has a GDP per capita of $32,487.078, which is 16.8x that of Solomon Islands ($1,933.555). 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.
Population Density
Japan is 12.6x more densely populated than Solomon Islands (326 vs 26 people per km²). Higher density typically correlates with more urbanization, greater demand for public transit, and higher housing costs. Solomon Islands's lower density suggests more rural land use and potentially lower urban congestion.
Healthcare and Longevity
Citizens of Japan live an average of 13.5 years longer than those of Solomon Islands (84.0 vs 70.5 years). This gap reflects differences in healthcare access, nutrition, public health infrastructure, and environmental factors. This is a substantial gap that suggests significant differences in healthcare systems and overall living conditions.
Economic Momentum
Solomon Islands's economy grew at 3.0% compared to Japan's 0.1%. Both countries show healthy growth, though Solomon Islands has a modest edge in economic dynamism.
Frequently Asked Questions
Which is bigger, Solomon Islands or Japan by population?
Japan is larger by population, with 123.2M residents compared to Solomon Islands's 750K. Japan is 164.2 times more populous than Solomon Islands.
Which country has a higher GDP, Solomon Islands or Japan?
Japan has the higher GDP at $4.03T, compared to Solomon Islands's $1.6B. Japan's economy is 2542.7 times larger.
How does life expectancy compare between Solomon Islands and Japan?
Japan has a higher life expectancy at 84.0 years, compared to Solomon Islands's 70.5 years. The gap between the two countries is 13.5 years. Solomon Islands's life expectancy is 1.5 years below the global average of 72 years, while Japan's is 12.0 years above the global average of 72 years.
Which country is larger by area, Solomon Islands or Japan?
Japan is larger by land area, covering 377,930 km² compared to Solomon Islands's 28,896 km². Japan is 13.1 times larger than Solomon Islands.
What languages are spoken in Solomon Islands and Japan?
Solomon Islands recognizes the following official language: English. Japan recognizes: Japanese. The two countries do not share an official language.
Which country has lower inflation, Solomon Islands or Japan?
Japan has lower inflation at 2.7%, compared to Solomon Islands's 4.3%. Japan's inflation is within the 2-3% range considered stable by most central banks, while Solomon Islands's rate is moderately elevated above the global median of 3.5%.