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Western Africa · Africa/Country guide

Mauritania

Islamic Republic of Mauritania

Nouakchott5.2 million people1,030,700 km²
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Flag of Mauritania

Mauritania overview

Mauritania is an independent state in Western Africa, and a member of the United Nations. The long form of the name is Islamic Republic of Mauritania. The capital is Nouakchott.

Some 5.2 million people call it home, placing it 125th of 249 by population — between Oman above it and Costa Rica below. Among the 17 entries in Western Africa it ranks 3rd by area and 13th by population.

Its territory runs to 1,030,700 km², which ranks it 30th of the 249 countries and territories in this dataset — just behind Bolivia and just ahead of Egypt. For scale, it is almost exactly the same size as Egypt.

Mauritania and its neighbours, side by side

Mauritania has 4 land neighbours, and together they hold 90,394,887 people — about 17 times Mauritania's own population. Sharing a frontier with that much weight on the other side shapes trade, migration and language in ways the map alone does not show.

Land neighbours of Mauritania, compared by area and population
NeighbourPopulationArea (km²)vs Mauritania by area
Algeria46,814,3082,381,7412.3× larger
Malilandlocked24,478,5951,240,1921.2× larger
Western Sahara600,000266,0003.9× smaller
Senegal18,501,984196,7225.2× smaller

By area the largest neighbour is Algeria and the smallest is Senegal; by population Algeria is the heaviest presence on the border. Taken together the neighbours hold more people than Mauritania does, which is the usual situation for a country with several borders and rarely a comfortable one.

Mauritania at a glance

Capital
Nouakchott
Population
5,169,395
Area
1,030,700 km²
Region
Western Africa, Africa
Languages
Arabic
Currency
Mauritanian ouguiya (MRU)
Calling code
+222
Internet TLD
.mr
People per km²
5

Location, borders and position

The coordinates the dataset gives are 20.0° N, 12.0° W, which puts it in the northern hemisphere, roughly 2,226 km from the equator, in what geographers would call tropical latitudes.

It is one of the countries that the Tropic of Cancer crosses. India, Myanmar and Oman sit at almost exactly the same latitude on other parts of the globe.

4 countries share a land border with it: Algeria, Mali, Senegal and Western Sahara. The largest of them by area is Algeria, which is also the most populous. Together those neighbours hold about 90.4 million people.

It has both a coastline and land borders, which is the most common arrangement of all.

Where Mauritania is on the map

The map below is centred on Mauritania at roughly 20.00°, -12.00°. Pan and zoom to see how it sits against its surroundings — the shape of a country's borders explains a surprising amount about its history.

Map data © OpenStreetMap contributors

People, population and language

Density comes out at around 5.0 people per square kilometre, which makes it very thinly populated. For comparison, the median entry on this list sits near 91 per square kilometre.

Someone from Mauritania is a Mauritanian.

The one official language is Arabic. Arabic is one of the widely shared official languages here, listed by 24 other entries including Algeria, Bahrain, Chad and the Comoros.

Inside Africa it places 39th of 59 by population, and it accounts for 1.1% of everyone living in Western Africa.

Money and language in Mauritania

Mauritania does not have the Mauritanian ouguiya to itself. It is one of 2 entries on this site that use the currency, whose code is MRU, and the other one is listed below. A shared currency usually points at something real — a monetary union, a currency board, a former colonial administration, or a small economy pegging itself to a large neighbour's money — and it means a price quoted in MRU travels further than you might expect.

Language reaches wider still. Arabic is listed for 25 entries here, Mauritania among them, so a visitor who speaks it can be understood across a large part of the map. Shared language tends to outlive the empires, trade routes and migrations that spread it, which is why the linguistic map and the political one rarely line up.

Also uses the Mauritanian ouguiya (MRU):

Also lists Arabic among its languages:

Mauritania within Western Africa

Zoom in from the world to Western Africa and Mauritania sits 13th of 17 by population and 3rd by area. Its immediate company in that ordering is Liberia just above and Gambia just below, which is a more honest comparison set than a global league table.

Nigeria is the largest of the group by population, and every entry in Western Africa has its own page here if you want to work through the whole neighbourhood rather than one country at a time.

How big is Mauritania, really?

Put next to every other entry on this site, Mauritania ranks 30th of 249 by area and 125th by population. That works out at 0.69% of the combined land area of all 249 entries and 0.064% of their combined population. Those denominators matter: this list includes territories and dependencies as well as UN member states, so a rank here is not the same as a rank among sovereign countries.

For a sense of scale, the entries immediately either side of Mauritania in the size ordering are Bolivia at 1,098,581 km² and Egypt at 1,002,450 km², against Mauritania's 1,030,700 km². If you can already picture one of those, you can picture this one.

Density tells a different story from either raw figure. Mauritania averages 5 people per square kilometre of total area, which makes it among the emptiest places on the list — 229th of the 247 entries that have both a population and a measured area. Total area includes inland water, so the true figure for habitable land is higher than this.

Currency, domain and dialling code

The currency is the Mauritanian ouguiya (UM, MRU). No other entry in this dataset uses it, so the currency is specific to Mauritania.

Nouakchott is the city to remember for this country.

Its internet country code is .mr. To phone it from abroad you dial +222. Standard country codes: mr and MRT.

It holds a seat at the United Nations, one of 192 entries here that do. The other 57 entries are territories, dependencies or observers, which is why totals on this site run to 249 rather than the familiar 195.

Mauritania codes and abbreviations

Every country carries a small set of codes that quietly run the practical world — phone networks, web addresses, passports, luggage tags and dropdown menus. Here are Mauritania's, and what each one is actually for.

Calling code+222
Dial +222 after your international access code to reach a number in Mauritania.
Internet domain.mr
.mr is the country-code top-level domain, so a web address ending in it is registered to Mauritania.
ISO two-letter codemr
Used on vehicle plates, in currency pairs and in almost every dropdown list of countries.
ISO three-letter codeMRT
The form you will see on passports, at airports and in sports scoreboards.
DemonymMauritanian
The correct word for a person from Mauritania, and for the adjective form.

Fun facts about Mauritania

  • Ranked by land area, Mauritania is 30th out of the 249 countries and territories on this site.
  • It is 125th of 249 by population, with about 5.2 million residents.
  • It lies about 2,226 km from the equator, in tropical latitudes.
  • It shares land borders with 4 countries: Algeria, Mali, Senegal and Western Sahara.
  • The Tropic of Cancer runs across or very near it.
  • Websites based there use the .mr domain.
  • Its full official name is Islamic Republic of Mauritania.

Mauritania — frequently asked questions

What is the capital of Mauritania?
The capital of Mauritania is Nouakchott.
What is the population of Mauritania?
Mauritania has a population of about 5.2 million, which makes it the 125th most populous of the 249 countries and territories listed on this site. Oman sits just above it and Costa Rica just below.
What language is spoken in Mauritania?
The official language of Mauritania is Arabic. It is also official in 24 other entries on this list.
Which countries border Mauritania?
Mauritania borders 4 countries: Algeria, Mali, Senegal and Western Sahara. Algeria is the largest of them by area.
Where is Mauritania located?
Mauritania is in Western Africa, part of Africa. Its reference coordinates are 20.0° north and 12.0° west, roughly 2,226 km from the equator in tropical latitudes.
How big is Mauritania?
Mauritania covers 1,030,700 km², ranking 30th of 249 by land area. That makes it almost exactly the same size as Egypt.
Is Mauritania a country?
Yes. Mauritania is a sovereign state and one of the 192 UN members listed on this site.
What currency does Mauritania use?
Mauritania uses the Mauritanian ouguiya, written UM (currency code MRU). No other entry in this dataset uses it.