Sudan
Republic of the Sudan · Northern Africa
Sudan is a country in Northern Africa, with Khartoum as its capital, home to about 51,662,147 people. Sudan shares land borders with 7 countries, listed below alongside its flag, currency, calling code and ISO codes.
| Capital | Khartoum |
|---|---|
| Region | Northern Africa |
| Currency | Sudanese pound (SDG PT) |
| Calling code | +249 |
| ISO codes | SD / SDN / 729 ISO 3166-1 |
| Flag emoji | 🇸🇩 |
| Population | 51,662,147 (2025) World Bank |
| Area | 1,886,068 km² |
| Languages | Arabic, English |
| Internet domain | .sd |
| Demonym | Sudanese |
Bordering countries
About Sudan
Sudan, officially Republic of the Sudan, is a United Nations member state in Northern Africa. Its capital and seat of government is Khartoum. It shares land borders with 7 countries. The official currency is the Sudanese pound (PT), using the code SDG.
Curious about the city itself? See what is the capital of Sudan for Khartoum’s own facts and history.
To call Sudan from abroad, dial the country code +249. In international standards it is identified by the ISO 3166-1 codes SD (alpha-2) and SDN (alpha-3), which appear in everything from web addresses to shipping labels. As of 2025, its population is around 51,662,147.
Frequently asked questions
What is the capital of Sudan?
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How Sudan compares
- Area: 1,886,068 km², ranking 15 of 194 sovereign states by land area.
- Population: 51,662,147, ranking 30 of 193 sovereign states.
- Density: about 27 people per square kilometre.
- Land borders: 7, against an average of 4.1 across the sovereign states that have any.
Flags with the same colours as Sudan
6 other national flags use exactly the same set of colour families (red, green, white, black). Similar colours are the most common reason flags get mistaken for one another, though colour alone says nothing about layout.
Sudan appears in these lists
Population from the World Bank (SP.POP.TOTL); flag, capital, currency, calling code and ISO data from open datasets. Rankings, density and flag colour matches are computed from that same dataset. Full sources and vintage on the data page. Last updated . Report a correction.