Tanzania’s coastline is 67% longer than Nigeria’s

Nigeria: 853 km (2026 edition) · Tanzania: 1,424 km (2026 edition)

Tanzania’s highest peak towers 3,476 m above Nigeria’s

Nigeria: 2,419 m (2026 edition) · Tanzania: 5,895 m (2026 edition)

Farmland covers 77% of Nigeria, versus 45% of Tanzania

Nigeria: 77.1% (2024) · Tanzania: 45.1% (2024)

Nigeria has 3.4 times as many people as Tanzania

Nigeria: 238 million (2025) · Tanzania: 70.5 million (2025)

Nigeria is 3.3 times as densely populated as Tanzania

Nigeria: 261 per km² (2025) · Tanzania: 80 per km² (2025)

The typical person in Nigeria is 0.51 years older than in Tanzania

Nigeria: 17.8 years (2023) · Tanzania: 17.2 years (2023)

Women in Tanzania have 0.2 more children on average than in Nigeria

Nigeria: 4.38 children per woman (2024) · Tanzania: 4.54 children per woman (2024)

Nigeria and Tanzania are practically level

Nigeria: 3.1% (2025) · Tanzania: 3% (2025)

Tanzania hosts 4.7 times as many refugees per resident as Nigeria

Nigeria: 0.5 per 1,000 (2025) · Tanzania: 2.4 per 1,000 (2025)

Nigeria has produced 0.0 Nobel laureates per 10 million people, Tanzania none

Nigeria: 0.042 (2026) · Tanzania: 0 (2026)

Tanzania has 2 official languages, Nigeria 1

Nigeria: 1 (2026) · Tanzania: 2 (2026)

Nigeria’s economy is 3.2 times the size of Tanzania’s

Nigeria: $291 billion (2025) · Tanzania: $90.1 billion (2025)

Nigeria produces 2.1 times as much per person as Tanzania

Nigeria: Int$9,532 (2025) · Tanzania: Int$4,471 (2025)

Income is more unequally shared in Tanzania than in Nigeria (Gini 6.6 points higher)

Nigeria: 33.9 (2022) · Tanzania: 40.5 (2018)

51% of people in Tanzania live on less than $3 a day, versus 42% in Nigeria

Nigeria: 41.8% (2022) · Tanzania: 51.3% (2018)

Unemployment is 3.1% in Nigeria, versus 1.6% in Tanzania

Nigeria: 3.1% (2025) · Tanzania: 1.6% (2025)

Tanzania and Nigeria are practically level

Nigeria: 0.9% (2025) · Tanzania: 1.2% (2025)

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

Tanzania’s price level (US = 100) is 2.3× Nigeria’s

Nigeria: 13% (2025) · Tanzania: 29% (2025)

Nigeria spends 84% more on health per person than Tanzania

Nigeria: $67 (2023) · Tanzania: $36 (2023)

A baby in Nigeria is 2.4 times as likely to die before turning one as in Tanzania

Nigeria: 69.8 per 1,000 (2024) · Tanzania: 28.7 per 1,000 (2024)

Nigeria has 2.8 times as many doctors per person as Tanzania

Nigeria: 0.4 per 1,000 (2023) · Tanzania: 0.1 per 1,000 (2022)

Nigeria: no data · Tanzania: 0.8 per 1,000 (2022)

The suicide rate in Tanzania is 2.3 times that in Nigeria

Nigeria: 6.5 per 100k (2023) · Tanzania: 14.9 per 100k (2023)

12% of adults in Nigeria are obese, versus 10% in Tanzania

Nigeria: 12.1% (2024) · Tanzania: 10.5% (2024)

7.7% of adults in Tanzania smoke, versus 3.1% in Nigeria

Nigeria: 3.1% (2024) · Tanzania: 7.7% (2024)

People in Nigeria rate their lives 0.89 points higher than in Tanzania

Nigeria: 4.79 (2025) · Tanzania: 3.90 (2025)

Adults in Nigeria drink 36% more alcohol than in Tanzania

Nigeria: 2 litres (2023) · Tanzania: 1.5 litres (2023)

Tanzania has 71% more meat per person than Nigeria

Nigeria: 7.1 kg (2023) · Tanzania: 12.2 kg (2023)

Tanzania has 48 kcal more food per person per day than Nigeria

Nigeria: 2,470 kcal (2023) · Tanzania: 2,518 kcal (2023)

Workers in Tanzania put in 67 more hours a year than in Nigeria

Nigeria: 2,062 hours (2023) · Tanzania: 2,129 hours (2023)

Adults in Nigeria went to school 1.5 years longer than in Tanzania

Nigeria: 7.6 years (2023) · Tanzania: 6.1 years (2023)

Tanzania welcomed 9.7 times as many tourists per resident as Nigeria (2019)

Nigeria: 0.0023 (2024) · Tanzania: 0.02 (2022)

Tanzania has 5 more World Heritage sites than Nigeria (7 against 2)

Nigeria: 2 (2026) · Tanzania: 7 (2026)

Nigeria has won 27 Olympic medals, Tanzania 2

Nigeria: 27 (2026 edition) · Tanzania: 2 (2026 edition)

41% of people in Nigeria are online, versus 31% in Tanzania

Nigeria: 41% (2024) · Tanzania: 31% (2024)

Home internet in Tanzania is 29% faster than in Nigeria

Nigeria: 44 Mbps (2026) · Tanzania: 56 Mbps (2026)

63% of people in Nigeria have electricity, versus 52% in Tanzania

Nigeria: 62.5% (2024) · Tanzania: 52.4% (2024)

64% of people in Nigeria live in cities, versus 37% in Tanzania

Nigeria: 64% (2025) · Tanzania: 37% (2025)

Tanzania has 127 mobile subscriptions per 100 people, Nigeria 71

Nigeria: 71 (2024) · Tanzania: 127 (2024)

Nigeria’s railway network is 31% longer than Tanzania’s

Nigeria: 3,528 km (2015) · Tanzania: 2,701 km (2017)

Airlines from Tanzania fly 22% more passengers per resident than those from Nigeria

Nigeria: 0.02 (2023) · Tanzania: 0.03 (2023)

Forest covers 50% of Tanzania, but only 19% of Nigeria

Nigeria: 18.9% (2024) · Tanzania: 49.6% (2024)

The average person in Nigeria emits 2 times as much CO₂ as someone in Tanzania

Nigeria: 0.6 t (2024) · Tanzania: 0.3 t (2024)

33% of Tanzania’s electricity is renewable, versus 31% in Nigeria

Nigeria: 31.3% (2025) · Tanzania: 32.9% (2024)

The air in Nigeria carries 2 times as much fine dust as in Tanzania

Nigeria: 50 µg/m³ (2024) · Tanzania: 24.6 µg/m³ (2024)

You are 4.2 times as likely to be murdered in Nigeria as in Tanzania

Nigeria: 15.7 per 100k (2023) · Tanzania: 3.7 per 100k (2020)

Roads in Nigeria are 23% deadlier than in Tanzania

Nigeria: 24.7 per 100k (2023) · Tanzania: 20.1 per 100k (2023)

Nigeria is on average 4.3 °C warmer than Tanzania

Nigeria: 27.4°C (2016–2025 avg) · Tanzania: 23.1°C (2016–2025 avg)

Tanzania gets 6% more rain than Nigeria

Nigeria: 1,044 mm (2016–2025 avg) · Tanzania: 1,102 mm (2016–2025 avg)