How much coast is there?

Japan’s coastline is 12 times as long as Iran’s.

Iran: 2,440 km (2026 edition) · Japan: 29,751 km (2026 edition)

How high can you climb?

Iran’s highest peak towers 1,849 m above Japan’s.

Iran: 5,625 m (2026 edition) · Japan: 3,776 m (2026 edition)

How many people live there?

Japan has 33% more people than Iran.

Iran: 92.4 million (2025) · Japan: 123 million (2025)

How crowded is it?

Japan is 5.9 times as densely populated as Iran.

Iran: 57 per km² (2025) · Japan: 338 per km² (2025)

How old is the typical person?

The typical person in Japan is 16 years older than in Iran.

Iran: 32.9 years (2023) · Japan: 49 years (2023)

How many children per woman?

Women in Iran have 0.5 more children on average than in Japan.

Iran: 1.68 children per woman (2024) · Japan: 1.15 children per woman (2024)

How many people are 65 or older?

30% of people in Japan are 65 or older, versus 8.6% in Iran.

Iran: 8.6% (2025) · Japan: 30% (2025)

How many Nobel laureates were born there?

Japan has produced 2.4 Nobel laureates per 10 million people, Iran 0.3.

Iran: 0.3 (2025) · Japan: 2.4 (2025)

How many official languages?

Iran and Japan are practically level.

Iran: 1 (2026) · Japan: 1 (2026)

How big is the economy?

Japan’s economy is 12 times the size of Iran’s.

Iran: $363 billion (2025) · Japan: $4.44 trillion (2025)

How much is produced per person?

Japan produces 2.8 times as much per person as Iran.

Iran: Int$19,699 (2025) · Japan: Int$55,422 (2025)

How evenly is income shared?

Income is more unequally shared in Iran than in Japan (Gini 3.6 points higher).

Iran: 35.9 (2023) · Japan: 32.3 (2020)

How many people are looking for work?

Unemployment is 8.3% in Iran, versus 2.5% in Japan.

Iran: 8.3% (2025) · Japan: 2.5% (2025)

How much goes to the military?

Iran spends 2.0% of its GDP on the military, Japan 1.4%.

Iran: 2% (2024) · Japan: 1.4% (2024)

How expensive is it?

Japan’s price level (US = 100) is 3.3× Iran’s.

Iran: 20% (2025) · Japan: 65% (2025)

How much is spent on health?

Japan spends 14 times as much on health per person as Iran.

Iran: $267 (2023) · Japan: $3,638 (2023)

How many babies don’t reach their first birthday?

A baby in Iran is 5.7 times as likely to die before turning one as in Japan.

Iran: 10.3 per 1,000 (2024) · Japan: 1.8 per 1,000 (2024)

How many doctors are there?

Japan has 46% more doctors per person than Iran.

Iran: 1.8 per 1,000 (2023) · Japan: 2.6 per 1,000 (2022)

How common is obesity?

26% of adults in Iran are obese, versus 5.2% in Japan.

Iran: 25.7% (2024) · Japan: 5.2% (2024)

How many adults smoke?

18% of adults in Japan smoke, versus 12% in Iran.

Iran: 11.9% (2024) · Japan: 17.5% (2024)

How do people rate their lives?

People in Japan rate their lives 0.98 points higher than in Iran.

Iran: 5.15 (2025) · Japan: 6.13 (2025)

How much do people drink?

Adults in Japan drink 303 times as much alcohol as in Iran.

Iran: 0.021 litres (2023) · Japan: 6.3 litres (2023)

How much meat is on the menu?

Japan has 2 times as much meat per person as Iran.

Iran: 29.9 kg (2023) · Japan: 59.9 kg (2022)

How much food is there per day?

Iran has 205 kcal more food per person per day than Japan.

Iran: 2,875 kcal (2023) · Japan: 2,670 kcal (2022)

How long do people work?

Workers in Iran put in 592 more hours a year than in Japan.

Iran: 2,246 hours (2023) · Japan: 1,654 hours (2023)

How long do people go to school?

Adults in Japan went to school 1.8 years longer than in Iran.

Iran: 10.8 years (2023) · Japan: 12.7 years (2023)

How many tourists visit?

Iran: no data · Japan: 0.3 (2024)

How many people are online?

Japan and Iran are practically level.

Iran: 85% (2024) · Japan: 86% (2024)

Who has electricity at home?

Iran and Japan are practically level.

Iran: 100% (2024) · Japan: 100% (2024)

How many live in cities?

92% of people in Japan live in cities, versus 77% in Iran.

Iran: 77% (2025) · Japan: 92% (2025)

How many phones per person?

Japan has 178 mobile subscriptions per 100 people, Iran 174.

Iran: 174 (2024) · Japan: 178 (2023)

How much railway is there?

Japan’s railway network is 2.1 times as long as Iran’s.

Iran: 9,455 km (2021) · Japan: 20,087 km (2011)

How much do they fly?

Airlines from Japan fly 5 times as many passengers per resident as those from Iran.

Iran: 0.2 (2023) · Japan: 0.98 (2023)

How much of the land is forest?

Forest covers 68% of Japan, but only 6.6% of Iran.

Iran: 6.6% (2023) · Japan: 68.4% (2023)

How much CO₂ does each person emit?

The average person in Iran emits 11% more CO₂ than someone in Japan.

Iran: 8.7 t (2024) · Japan: 7.8 t (2024)

How green is the power grid?

24% of Japan’s electricity is renewable, versus 3.8% in Iran.

Iran: 3.8% (2025) · Japan: 23.6% (2025)

How clean is the air?

The air in Iran carries 3.6 times as much fine dust as in Japan.

Iran: 37.7 µg/m³ (2024) · Japan: 10.5 µg/m³ (2024)

How common is murder?

You are 10 times as likely to be murdered in Iran as in Japan.

Iran: 2.4 per 100k (2014) · Japan: 0.2 per 100k (2023)

How dangerous are the roads?

Roads in Iran are 7.6 times as deadly as in Japan.

Iran: 20.6 per 100k (2021) · Japan: 2.7 per 100k (2021)

How warm is it?

Iran is on average 6.5 °C warmer than Japan.

Iran: 19.3°C (2016–2025 avg) · Japan: 12.8°C (2016–2025 avg)

How much rain falls?

Japan gets 6.7 times as much rain as Iran.

Iran: 272 mm (2016–2025 avg) · Japan: 1,824 mm (2016–2025 avg)