Indonesia’s coastline is 84% longer than Japan’s

Indonesia: 54,716 km (2026 edition) · Japan: 29,751 km (2026 edition)

Indonesia’s highest peak towers 1,108 m above Japan’s

Indonesia: 4,884 m (2026 edition) · Japan: 3,776 m (2026 edition)

Farmland covers 29% of Indonesia, versus 13% of Japan

Indonesia: 28.9% (2024) · Japan: 12.6% (2024)

Indonesia has 2.3 times as many people as Japan

Indonesia: 286 million (2025) · Japan: 123 million (2025)

Japan is 2.2 times as densely populated as Indonesia

Indonesia: 151 per km² (2025) · Japan: 338 per km² (2025)

The typical person in Japan is 19 years older than in Indonesia

Indonesia: 29.8 years (2023) · Japan: 49 years (2023)

Women in Indonesia have 1.0 more children on average than in Japan

Indonesia: 2.12 children per woman (2024) · Japan: 1.15 children per woman (2024)

30% of people in Japan are 65 or older, versus 7.5% in Indonesia

Indonesia: 7.5% (2025) · Japan: 30% (2025)

Japan hosts 13 times as many refugees per resident as Indonesia

Indonesia: 0.026 per 1,000 (2025) · Japan: 0.3 per 1,000 (2025)

Japan has produced 2.5 Nobel laureates per 10 million people, Indonesia 0.0

Indonesia: 0.035 (2026) · Japan: 2.5 (2026)

Indonesia and Japan are practically level

Indonesia: 1 (2026) · Japan: 1 (2026)

Japan’s economy is 3.1 times the size of Indonesia’s

Indonesia: $1.45 trillion (2025) · Japan: $4.44 trillion (2025)

Japan produces 3.1 times as much per person as Indonesia

Indonesia: Int$17,660 (2025) · Japan: Int$55,422 (2025)

Income is more unequally shared in Indonesia than in Japan (Gini 2.1 points higher)

Indonesia: 34.4 (2025) · Japan: 32.3 (2020)

3.7% of people in Indonesia live on less than $3 a day, versus 1.2% in Japan

Indonesia: 3.7% (2025) · Japan: 1.2% (2020)

Unemployment is 3.2% in Indonesia, versus 2.5% in Japan

Indonesia: 3.2% (2025) · Japan: 2.5% (2025)

Japan and Indonesia are practically level

Indonesia: 1% (2025) · Japan: 1.4% (2025)

Japan’s price level (US = 100) is 2.3× Indonesia’s

Indonesia: 29% (2025) · Japan: 65% (2025)

Japan spends 28 times as much on health per person as Indonesia

Indonesia: $132 (2023) · Japan: $3,638 (2023)

A baby in Indonesia is 8.4 times as likely to die before turning one as in Japan

Indonesia: 15.2 per 1,000 (2024) · Japan: 1.8 per 1,000 (2024)

Japan has 5.1 times as many doctors per person as Indonesia

Indonesia: 0.5 per 1,000 (2023) · Japan: 2.6 per 1,000 (2022)

Japan has 9.2 times as many hospital beds per person as Indonesia

Indonesia: 1.4 per 1,000 (2023) · Japan: 12.6 per 1,000 (2022)

The suicide rate in Japan is 6.5 times that in Indonesia

Indonesia: 2.2 per 100k (2023) · Japan: 14.4 per 100k (2023)

12% of adults in Indonesia are obese, versus 5.2% in Japan

Indonesia: 12% (2024) · Japan: 5.2% (2024)

31% of adults in Indonesia smoke, versus 18% in Japan

Indonesia: 31% (2024) · Japan: 17.5% (2024)

People in Japan rate their lives 0.51 points higher than in Indonesia

Indonesia: 5.62 (2025) · Japan: 6.13 (2025)

Adults in Japan drink 62 times as much alcohol as in Indonesia

Indonesia: 0.1 litres (2023) · Japan: 6.3 litres (2023)

Japan has 3 times as much meat per person as Indonesia

Indonesia: 20 kg (2023) · Japan: 59.9 kg (2022)

Indonesia has 230 kcal more food per person per day than Japan

Indonesia: 2,900 kcal (2023) · Japan: 2,670 kcal (2022)

Workers in Indonesia put in 305 more hours a year than in Japan

Indonesia: 1,958 hours (2023) · Japan: 1,654 hours (2023)

Adults in Japan went to school 4 years longer than in Indonesia

Indonesia: 8.7 years (2023) · Japan: 12.7 years (2023)

Japan welcomed 6.2 times as many tourists per resident as Indonesia (2019)

Indonesia: 0.05 (2024) · Japan: 0.3 (2024)

Japan has 17 more World Heritage sites than Indonesia (27 against 10)

Indonesia: 10 (2026) · Japan: 27 (2026)

Japan has won 642 Olympic medals, Indonesia 40

Indonesia: 40 (2026 edition) · Japan: 642 (2026 edition)

86% of people in Japan are online, versus 73% in Indonesia

Indonesia: 73% (2024) · Japan: 86% (2024)

Home internet in Japan is 4 times as fast as in Indonesia

Indonesia: 82 Mbps (2026) · Japan: 322 Mbps (2026)

Japan and Indonesia are practically level

Indonesia: 99.9% (2024) · Japan: 100% (2024)

92% of people in Japan live in cities, versus 59% in Indonesia

Indonesia: 59% (2025) · Japan: 92% (2025)

Japan has 178 mobile subscriptions per 100 people, Indonesia 123

Indonesia: 123 (2024) · Japan: 178 (2023)

Japan’s railway network is 3.7 times as long as Indonesia’s

Indonesia: 5,483 km (2019) · Japan: 20,087 km (2011)

Airlines from Japan fly 2.9 times as many passengers per resident as those from Indonesia

Indonesia: 0.34 (2023) · Japan: 0.98 (2023)

Forest covers 68% of Japan, but only 51% of Indonesia

Indonesia: 50.7% (2024) · Japan: 68.3% (2024)

The average person in Japan emits 2.7 times as much CO₂ as someone in Indonesia

Indonesia: 2.9 t (2024) · Japan: 7.8 t (2024)

24% of Japan’s electricity is renewable, versus 18% in Indonesia

Indonesia: 18.1% (2024) · Japan: 23.6% (2025)

The air in Indonesia carries 76% more fine dust than in Japan

Indonesia: 18.5 µg/m³ (2024) · Japan: 10.5 µg/m³ (2024)

You are 33% more likely to be murdered in Indonesia than in Japan

Indonesia: 0.3 per 100k (2022) · Japan: 0.2 per 100k (2023)

Roads in Indonesia are 4.6 times as deadly as in Japan

Indonesia: 17.4 per 100k (2023) · Japan: 3.8 per 100k (2023)

Indonesia is on average 12.8 °C warmer than Japan

Indonesia: 25.6°C (2016–2025 avg) · Japan: 12.8°C (2016–2025 avg)

Indonesia gets 88% more rain than Japan

Indonesia: 3,437 mm (2016–2025 avg) · Japan: 1,824 mm (2016–2025 avg)