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Japan vs Ukraine

Japan and Ukraine side by side: live population, demographics, economy, environment and digital indicators from the UN and the World Bank, plus charts that overlay the full history of both countries. Change either country to compare any pair.

At a glance

Live population · UN WPP
Flag of Japan

Japan

Asia · #12 of 238 by population
Live population
122,223,776
-0.6% a year · full profile · atlas
vs
Flag of Ukraine

Ukraine

Europe · #39 of 238 by population
Live population
39,447,860
-0.7% a year · full profile · atlas
Japan has 3.1× the population of Ukraine (75.6% vs 24.4% of the two combined).

Japan vs Ukraine: 28 indicators side by side

Latest available figures · October 2026
IndicatorJapanUkraineDifference
👥 Population
Population
people
122,223,77639,447,860Japan 3.1×
Population growth rate
% per year
-0.6-0.7+0.2 pts
Population density
people per km²
323.4202665.42026+258
Surface area
km²
377,9692023603,5502023Ukraine 1.6×
Birth rate
births per 1,000 people
5.720245.52024+0.2
Death rate
deaths per 1,000 people
13.3202413.62024-0.3
Net migration rate
per 1,000 people per year
+1.1-0.2+1.3
Urban population
% of population
92.3202569.62025+22.7 pts
Sex ratio
males per 100 females
95.187.1+8
❤️ Demographics & Health
Life expectancy
years
84202474.72024+9.3
Fertility rate
births per woman
1.1520240.992024+0.16
Median age
years
50.241.8+8.4
Infant mortality
deaths per 1,000 live births
1.64.7-3.1
Population under 15
% of population
11.2202513.72025-2.5 pts
Population aged 65+
% of population
302025192025+11 pts
💰 Economy
GDP
current US$
$4.44T2025$214.23B2025Japan 21×
GDP per capita
current US$
$35,9512025$5,4962025Japan 6.5×
Unemployment rate
% of labor force
2.520259.82021-7.4 pts
Inflation rate
% annual, consumer prices
3.2202512.72025-9.6 pts
🌱 Environment & Energy
CO₂ emissions
Mt CO₂ per year
972.32024118.52024Japan 8.2×
CO₂ emissions per capita
tonnes per person
7.8420243.132024+4.71
Energy use per capita
kg of oil equivalent per person
3,00620241,5082023Japan 2×
Renewable energy share
% of final energy
8.820218.92021-0.1 pts
Forest area
% of land area
68.4202316.82023+51.6 pts
Freshwater resources per capita
m³ per person per year
3,43720221,3422022Japan 2.6×
Water stress
% of resources withdrawn
18.520228.82022+9.7 pts
📶 Digital
Internet users
% of population
85.5202482.52024+3.1 pts
Mobile subscriptions
per 100 people
178.42023133.42023+45.1

▲ marks the higher value (for death rate, infant mortality, unemployment, inflation, CO₂ and water stress: the lower value). "Difference" is the ratio for absolute measures and Japan minus Ukraine for rates and shares. Years in grey are the latest available for that country.

Japan compared with Ukraine

Updated October 2026

Japan has a live population of about 122,223,776 (#12 in the world) and Ukraine about 39,447,860 (#39), so Japan has 3.1 times as many people as Ukraine. Japan is growing at -0.6% a year and Ukraine at -0.7%.

By area Ukraine is larger: 603,550 km² against 377,969 km², which gives population densities of 323.4 people per km² in Japan and 65.4 in Ukraine.

Japan's economy is worth $4.44T (2025) and Ukraine's $214.23B (2025); per person that is $35,951 in Japan versus $5,496 in Ukraine, so the average Japan resident produces 6.5 times as much.

Life expectancy is 84 years in Japan and 74.7 in Ukraine; women have 1.2 children on average in Japan compared with 1 in Ukraine; the median age is 50.2 versus 41.8 years.

92.3% of Japan's people live in cities against 69.6% in Ukraine; 85.5% use the internet in Japan and 82.5% in Ukraine; CO₂ emissions per person are 7.8 t in Japan and 3.1 t in Ukraine.

Population over time

Japan vs Ukraine
JapanUkraine

Life expectancy & fertility

Japan vs Ukraine
JapanUkraine

Birth & death rates

Japan vs Ukraine
JapanUkraine

Age structure

Japan vs Ukraine
JapanUkraine

CO₂ emissions

Japan vs Ukraine
JapanUkraine

Energy use & renewables

Japan vs Ukraine
JapanUkraine

Forest area

Japan vs Ukraine
JapanUkraine

Urban population

Japan vs Ukraine
JapanUkraine

Water resources & stress

Japan vs Ukraine
JapanUkraine

Economy

Japan vs Ukraine
JapanUkraine

Unemployment & inflation

Japan vs Ukraine
JapanUkraine

Internet & mobile

Japan vs Ukraine
JapanUkraine

Frequently asked questions

Which is bigger, Japan or Ukraine?

By population Japan is bigger: 122,223,776 people versus 39,447,860 (live estimates, October 2026). By area Ukraine is larger (603,550 km² vs 377,969 km²).

Which has the larger economy, Japan or Ukraine?

Japan: GDP of $4,435,162,999,977 versus $214,233,312,784 in current US dollars (World Bank, 2025/2025).

Where do people live longer, Japan or Ukraine?

Life expectancy at birth is 84 years in Japan and 74.7 years in Ukraine, a difference of 9.3 years in favour of Japan.

How are these comparisons calculated?

Live populations extrapolate the UN World Population Prospects baseline with each country's growth rate; every other figure is the latest value published by World Bank Open Data (or the UN for median age, infant mortality and migration). Each row shows the year of the figure, and the charts below overlay the full historical series of both countries.

Explore more

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More comparisons with Japan
More comparisons with Ukraine

Sources & method: live populations are linear extrapolations of the UN World Population Prospects estimates; all other indicators are the latest values from World Bank Open Data (UN WPP for median age, infant mortality, sex ratio and net migration). Figures are statistical estimates, not census counts. Page generated 2026-10-19. More about our data.