How much coast is there?

Chad: 0 km (2026 edition) · Nigeria: 853 km (2026 edition)

How high can you climb?

Chad’s highest peak towers 1,026 m above Nigeria’s.

Chad: 3,445 m (2026 edition) · Nigeria: 2,419 m (2026 edition)

How many people live there?

Nigeria has 11 times as many people as Chad.

Chad: 21 million (2025) · Nigeria: 238 million (2025)

How crowded is it?

Nigeria is 16 times as densely populated as Chad.

Chad: 17 per km² (2025) · Nigeria: 261 per km² (2025)

How old is the typical person?

The typical person in Nigeria is 2.4 years older than in Chad.

Chad: 15.4 years (2023) · Nigeria: 17.8 years (2023)

How many children per woman?

Women in Chad have 1.6 more children on average than in Nigeria.

Chad: 6.03 children per woman (2024) · Nigeria: 4.38 children per woman (2024)

How many people are 65 or older?

3.1% of people in Nigeria are 65 or older, versus 2.1% in Chad.

Chad: 2.1% (2025) · Nigeria: 3.1% (2025)

How many Nobel laureates were born there?

Nigeria has produced 0.0 Nobel laureates per 10 million people, Chad 0.0.

Chad: 0 (2025) · Nigeria: 0 (2025)

How many official languages?

Chad has 2 official languages, Nigeria 1.

Chad: 2 (2026) · Nigeria: 1 (2026)

How big is the economy?

Nigeria’s economy is 14 times the size of Chad’s.

Chad: $21.5 billion (2025) · Nigeria: $291 billion (2025)

How much is produced per person?

Nigeria produces 3.3 times as much per person as Chad.

Chad: Int$2,903 (2025) · Nigeria: Int$9,532 (2025)

How evenly is income shared?

Income is more unequally shared in Chad than in Nigeria (Gini 3.5 points higher).

Chad: 37.4 (2022) · Nigeria: 33.9 (2022)

How many people are looking for work?

Unemployment is 3.1% in Nigeria, versus 1.1% in Chad.

Chad: 1.1% (2025) · Nigeria: 3.1% (2025)

How much goes to the military?

Chad spends 3.0% of its GDP on the military, Nigeria 0.6%.

Chad: 3% (2024) · Nigeria: 0.6% (2024)

How expensive is it?

Chad’s price level (US = 100) is 2.7× Nigeria’s.

Chad: 35% (2025) · Nigeria: 13% (2025)

How much is spent on health?

Nigeria spends 41% more on health per person than Chad.

Chad: $47 (2023) · Nigeria: $67 (2023)

How many babies don’t reach their first birthday?

A baby in Nigeria is 24% more likely to die before turning one than in Chad.

Chad: 56.3 per 1,000 (2024) · Nigeria: 69.8 per 1,000 (2024)

How many doctors are there?

Nigeria has 4.5 times as many doctors per person as Chad.

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

How common is obesity?

12% of adults in Nigeria are obese, versus 6.3% in Chad.

Chad: 6.3% (2024) · Nigeria: 12.1% (2024)

How many adults smoke?

7.4% of adults in Chad smoke, versus 3.1% in Nigeria.

Chad: 7.4% (2024) · Nigeria: 3.1% (2024)

How do people rate their lives?

People in Nigeria rate their lives 0.40 points higher than in Chad.

Chad: 4.39 (2025) · Nigeria: 4.79 (2025)

How much do people drink?

Adults in Chad drink 47% more alcohol than in Nigeria.

Chad: 3 litres (2023) · Nigeria: 2 litres (2023)

How much meat is on the menu?

Chad has 6.6 times as much meat per person as Nigeria.

Chad: 47 kg (2022) · Nigeria: 7.1 kg (2023)

How much food is there per day?

Nigeria has 373 kcal more food per person per day than Chad.

Chad: 2,097 kcal (2022) · Nigeria: 2,470 kcal (2023)

How long do people work?

Workers in Nigeria put in 476 more hours a year than in Chad.

Chad: 1,585 hours (2023) · Nigeria: 2,062 hours (2023)

How long do people go to school?

Adults in Nigeria went to school 5.3 years longer than in Chad.

Chad: 2.3 years (2023) · Nigeria: 7.6 years (2023)

How many tourists visit?

Chad welcomed 2 times as many tourists per resident as Nigeria (2019).

Chad: 0 (2019) · Nigeria: 0 (2024)

How many people are online?

41% of people in Nigeria are online, versus 13% in Chad.

Chad: 13% (2024) · Nigeria: 41% (2024)

Who has electricity at home?

63% of people in Nigeria have electricity, versus 13% in Chad.

Chad: 13.4% (2024) · Nigeria: 62.5% (2024)

How many live in cities?

64% of people in Nigeria live in cities, versus 28% in Chad.

Chad: 28% (2025) · Nigeria: 64% (2025)

How many phones per person?

Chad has 73 mobile subscriptions per 100 people, Nigeria 71.

Chad: 73 (2024) · Nigeria: 71 (2024)

How much railway is there?

Chad: no data · Nigeria: 3,528 km (2015)

How much do they fly?

Chad: no data · Nigeria: 0.02 (2023)

How much of the land is forest?

Forest covers 23% of Nigeria, but only 3.2% of Chad.

Chad: 3.2% (2023) · Nigeria: 23.2% (2023)

How much CO₂ does each person emit?

The average person in Nigeria emits 4.2 times as much CO₂ as someone in Chad.

Chad: 0.1 t (2024) · Nigeria: 0.6 t (2024)

How green is the power grid?

31% of Nigeria’s electricity is renewable, versus 5.4% in Chad.

Chad: 5.4% (2024) · Nigeria: 31.3% (2025)

How clean is the air?

The air in Nigeria carries 28% more fine dust than in Chad.

Chad: 39.2 µg/m³ (2024) · Nigeria: 50 µg/m³ (2024)

How common is murder?

Chad: no data · Nigeria: 15.7 per 100k (2023)

How dangerous are the roads?

Roads in Chad are 53% deadlier than in Nigeria.

Chad: 26.4 per 100k (2021) · Nigeria: 17.2 per 100k (2021)

How warm is it?

Chad is on average 0.4 °C warmer than Nigeria.

Chad: 27.8°C (2016–2025 avg) · Nigeria: 27.4°C (2016–2025 avg)

How much rain falls?

Nigeria gets 3.8 times as much rain as Chad.

Chad: 276 mm (2016–2025 avg) · Nigeria: 1,044 mm (2016–2025 avg)