How much coast is there?

Mauritania’s coastline is 42% longer than Senegal’s.

Mauritania: 754 km (2026 edition) · Senegal: 531 km (2026 edition)

How high can you climb?

Mauritania’s highest peak towers 267 m above Senegal’s.

Mauritania: 915 m (2026 edition) · Senegal: 648 m (2026 edition)

How many people live there?

Senegal has 3.6 times as many people as Mauritania.

Mauritania: 5.32 million (2025) · Senegal: 18.9 million (2025)

How crowded is it?

Senegal is 19 times as densely populated as Mauritania.

Mauritania: 5 per km² (2025) · Senegal: 98 per km² (2025)

How old is the typical person?

The typical person in Senegal is 2 years older than in Mauritania.

Mauritania: 17.1 years (2023) · Senegal: 19.1 years (2023)

How many children per woman?

Women in Mauritania have 0.9 more children on average than in Senegal.

Mauritania: 4.63 children per woman (2024) · Senegal: 3.77 children per woman (2024)

How many people are 65 or older?

Senegal and Mauritania are practically level.

Mauritania: 3.2% (2025) · Senegal: 3.6% (2025)

How many Nobel laureates were born there?

Mauritania and Senegal are practically level.

Mauritania: 0 (2025) · Senegal: 0 (2025)

How many official languages?

Mauritania and Senegal are practically level.

Mauritania: 1 (2026) · Senegal: 1 (2026)

How big is the economy?

Senegal’s economy is 3.2 times the size of Mauritania’s.

Mauritania: $11.7 billion (2025) · Senegal: $37 billion (2025)

How much is produced per person?

Mauritania produces 40% more per person than Senegal.

Mauritania: Int$7,676 (2025) · Senegal: Int$5,463 (2025)

How evenly is income shared?

Income is more unequally shared in Senegal than in Mauritania (Gini 4.2 points higher).

Mauritania: 32 (2019) · Senegal: 36.2 (2021)

How many people are looking for work?

Unemployment is 10% in Mauritania, versus 2.7% in Senegal.

Mauritania: 10.3% (2025) · Senegal: 2.7% (2025)

How much goes to the military?

Mauritania spends 2.2% of its GDP on the military, Senegal 1.6%.

Mauritania: 2.2% (2024) · Senegal: 1.6% (2024)

How expensive is it?

Senegal’s price level (US = 100) is 1.2× Mauritania’s.

Mauritania: 29% (2025) · Senegal: 36% (2025)

How much is spent on health?

Mauritania spends 26% more on health per person than Senegal.

Mauritania: $92 (2023) · Senegal: $73 (2023)

How many babies don’t reach their first birthday?

A baby in Mauritania is 4% more likely to die before turning one than in Senegal.

Mauritania: 30.2 per 1,000 (2024) · Senegal: 28.9 per 1,000 (2024)

How many doctors are there?

Mauritania has 2.4 times as many doctors per person as Senegal.

Mauritania: 0.3 per 1,000 (2022) · Senegal: 0.1 per 1,000 (2023)

How common is obesity?

22% of adults in Mauritania are obese, versus 10% in Senegal.

Mauritania: 22.1% (2024) · Senegal: 10.3% (2024)

How many adults smoke?

9.9% of adults in Mauritania smoke, versus 5.4% in Senegal.

Mauritania: 9.9% (2024) · Senegal: 5.4% (2024)

How do people rate their lives?

People in Senegal rate their lives 0.31 points higher than in Mauritania.

Mauritania: 4.47 (2025) · Senegal: 4.79 (2025)

How much do people drink?

Adults in Senegal drink 198 times as much alcohol as in Mauritania.

Mauritania: 0.0017 litres (2019) · Senegal: 0.3 litres (2023)

How much meat is on the menu?

Mauritania has 83% more meat per person than Senegal.

Mauritania: 36.5 kg (2023) · Senegal: 20 kg (2023)

How much food is there per day?

Mauritania has 62 kcal more food per person per day than Senegal.

Mauritania: 2,909 kcal (2023) · Senegal: 2,848 kcal (2023)

How long do people work?

Mauritania: no data · Senegal: 2,335 hours (2023)

How long do people go to school?

Adults in Mauritania went to school 1.9 years longer than in Senegal.

Mauritania: 4.9 years (2023) · Senegal: 2.9 years (2023)

How many tourists visit?

Mauritania: no data · Senegal: 0.09 (2017)

How many people are online?

60% of people in Senegal are online, versus 46% in Mauritania.

Mauritania: 46% (2024) · Senegal: 60% (2024)

Who has electricity at home?

83% of people in Senegal have electricity, versus 52% in Mauritania.

Mauritania: 52.2% (2024) · Senegal: 82.9% (2024)

How many live in cities?

61% of people in Mauritania live in cities, versus 56% in Senegal.

Mauritania: 61% (2025) · Senegal: 56% (2025)

How many phones per person?

Senegal has 124 mobile subscriptions per 100 people, Mauritania 92.

Mauritania: 92 (2024) · Senegal: 124 (2024)

How much railway is there?

Senegal’s railway network is 24% longer than Mauritania’s.

Mauritania: 728 km (2021) · Senegal: 906 km (2017)

How much do they fly?

Airlines from Mauritania fly 9% more passengers per resident than those from Senegal.

Mauritania: 0.06 (2023) · Senegal: 0.06 (2023)

How much of the land is forest?

Forest covers 41% of Senegal, but only 0.3% of Mauritania.

Mauritania: 0.3% (2023) · Senegal: 41.3% (2023)

How much CO₂ does each person emit?

The average person in Mauritania emits 33% more CO₂ than someone in Senegal.

Mauritania: 1 t (2024) · Senegal: 0.8 t (2024)

How green is the power grid?

23% of Mauritania’s electricity is renewable, versus 20% in Senegal.

Mauritania: 22.7% (2024) · Senegal: 19.8% (2024)

How clean is the air?

The air in Senegal carries 4% more fine dust than in Mauritania.

Mauritania: 35.2 µg/m³ (2024) · Senegal: 36.5 µg/m³ (2024)

How common is murder?

Mauritania: 1 per 100k (2020) · Senegal: no data

How dangerous are the roads?

Roads in Senegal are 2.2 times as deadly as in Mauritania.

Mauritania: 9.5 per 100k (2021) · Senegal: 20.8 per 100k (2021)

How warm is it?

Senegal is on average 0.9 °C warmer than Mauritania.

Mauritania: 28.1°C (2016–2025 avg) · Senegal: 29.1°C (2016–2025 avg)

How much rain falls?

Senegal gets 9 times as much rain as Mauritania.

Mauritania: 57 mm (2016–2025 avg) · Senegal: 518 mm (2016–2025 avg)