Japan’s coastline is 21 times as long as Tanzania’s

Japan: 29,751 km (2026 edition) · Tanzania: 1,424 km (2026 edition)

Tanzania’s highest peak towers 2,119 m above Japan’s

Japan: 3,776 m (2026 edition) · Tanzania: 5,895 m (2026 edition)

Farmland covers 45% of Tanzania, versus 13% of Japan

Japan: 12.6% (2024) · Tanzania: 45.1% (2024)

Japan has 75% more people than Tanzania

Japan: 123 million (2025) · Tanzania: 70.5 million (2025)

Japan is 4.2 times as densely populated as Tanzania

Japan: 338 per km² (2025) · Tanzania: 80 per km² (2025)

The typical person in Japan is 32 years older than in Tanzania

Japan: 49 years (2023) · Tanzania: 17.2 years (2023)

Women in Tanzania have 3.4 more children on average than in Japan

Japan: 1.15 children per woman (2024) · Tanzania: 4.54 children per woman (2024)

30% of people in Japan are 65 or older, versus 3.0% in Tanzania

Japan: 30% (2025) · Tanzania: 3% (2025)

Tanzania hosts 7.1 times as many refugees per resident as Japan

Japan: 0.3 per 1,000 (2025) · Tanzania: 2.4 per 1,000 (2025)

Japan has produced 2.5 Nobel laureates per 10 million people, Tanzania none

Japan: 2.5 (2026) · Tanzania: 0 (2026)

Tanzania has 2 official languages, Japan 1

Japan: 1 (2026) · Tanzania: 2 (2026)

Japan’s economy is 49 times the size of Tanzania’s

Japan: $4.44 trillion (2025) · Tanzania: $90.1 billion (2025)

Japan produces 12 times as much per person as Tanzania

Japan: Int$55,422 (2025) · Tanzania: Int$4,471 (2025)

Income is more unequally shared in Tanzania than in Japan (Gini 8.2 points higher)

Japan: 32.3 (2020) · Tanzania: 40.5 (2018)

51% of people in Tanzania live on less than $3 a day, versus 1.2% in Japan

Japan: 1.2% (2020) · Tanzania: 51.3% (2018)

Unemployment is 2.5% in Japan, versus 1.6% in Tanzania

Japan: 2.5% (2025) · Tanzania: 1.6% (2025)

Japan and Tanzania are practically level

Japan: 1.4% (2025) · Tanzania: 1.2% (2025)

Japan: no data · Tanzania: 12.3% (2024)

Japan’s price level (US = 100) is 2.2× Tanzania’s

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

Japan spends 100 times as much on health per person as Tanzania

Japan: $3,638 (2023) · Tanzania: $36 (2023)

A baby in Tanzania is 16 times as likely to die before turning one as in Japan

Japan: 1.8 per 1,000 (2024) · Tanzania: 28.7 per 1,000 (2024)

Japan has 20 times as many doctors per person as Tanzania

Japan: 2.6 per 1,000 (2022) · Tanzania: 0.1 per 1,000 (2022)

Japan has 15 times as many hospital beds per person as Tanzania

Japan: 12.6 per 1,000 (2022) · Tanzania: 0.8 per 1,000 (2022)

The suicide rate in Tanzania is 3% higher than in Japan

Japan: 14.4 per 100k (2023) · Tanzania: 14.9 per 100k (2023)

10% of adults in Tanzania are obese, versus 5.2% in Japan

Japan: 5.2% (2024) · Tanzania: 10.5% (2024)

18% of adults in Japan smoke, versus 7.7% in Tanzania

Japan: 17.5% (2024) · Tanzania: 7.7% (2024)

People in Japan rate their lives 2.23 points higher than in Tanzania

Japan: 6.13 (2025) · Tanzania: 3.90 (2025)

Adults in Japan drink 4.2 times as much alcohol as in Tanzania

Japan: 6.3 litres (2023) · Tanzania: 1.5 litres (2023)

Japan has 4.9 times as much meat per person as Tanzania

Japan: 59.9 kg (2022) · Tanzania: 12.2 kg (2023)

Japan has 152 kcal more food per person per day than Tanzania

Japan: 2,670 kcal (2022) · Tanzania: 2,518 kcal (2023)

Workers in Tanzania put in 475 more hours a year than in Japan

Japan: 1,654 hours (2023) · Tanzania: 2,129 hours (2023)

Adults in Japan went to school 6.6 years longer than in Tanzania

Japan: 12.7 years (2023) · Tanzania: 6.1 years (2023)

Japan welcomed 13 times as many tourists per resident as Tanzania (2019)

Japan: 0.3 (2024) · Tanzania: 0.02 (2022)

Japan has 20 more World Heritage sites than Tanzania (27 against 7)

Japan: 27 (2026) · Tanzania: 7 (2026)

Japan has won 642 Olympic medals, Tanzania 2

Japan: 642 (2026 edition) · Tanzania: 2 (2026 edition)

86% of people in Japan are online, versus 31% in Tanzania

Japan: 86% (2024) · Tanzania: 31% (2024)

Home internet in Japan is 5.7 times as fast as in Tanzania

Japan: 322 Mbps (2026) · Tanzania: 56 Mbps (2026)

100% of people in Japan have electricity, versus 52% in Tanzania

Japan: 100% (2024) · Tanzania: 52.4% (2024)

92% of people in Japan live in cities, versus 37% in Tanzania

Japan: 92% (2025) · Tanzania: 37% (2025)

Japan has 178 mobile subscriptions per 100 people, Tanzania 127

Japan: 178 (2023) · Tanzania: 127 (2024)

Japan’s railway network is 7.4 times as long as Tanzania’s

Japan: 20,087 km (2011) · Tanzania: 2,701 km (2017)

Airlines from Japan fly 36 times as many passengers per resident as those from Tanzania

Japan: 0.98 (2023) · Tanzania: 0.03 (2023)

Forest covers 68% of Japan, but only 50% of Tanzania

Japan: 68.3% (2024) · Tanzania: 49.6% (2024)

The average person in Japan emits 27 times as much CO₂ as someone in Tanzania

Japan: 7.8 t (2024) · Tanzania: 0.3 t (2024)

33% of Tanzania’s electricity is renewable, versus 24% in Japan

Japan: 23.6% (2025) · Tanzania: 32.9% (2024)

The air in Tanzania carries 2.3 times as much fine dust as in Japan

Japan: 10.5 µg/m³ (2024) · Tanzania: 24.6 µg/m³ (2024)

You are 16 times as likely to be murdered in Tanzania as in Japan

Japan: 0.2 per 100k (2023) · Tanzania: 3.7 per 100k (2020)

Roads in Tanzania are 5.3 times as deadly as in Japan

Japan: 3.8 per 100k (2023) · Tanzania: 20.1 per 100k (2023)

Tanzania is on average 10.4 °C warmer than Japan

Japan: 12.8°C (2016–2025 avg) · Tanzania: 23.1°C (2016–2025 avg)

Japan gets 66% more rain than Tanzania

Japan: 1,824 mm (2016–2025 avg) · Tanzania: 1,102 mm (2016–2025 avg)