The world is home to 195 recognized countries, but they vary dramatically in size. Some nations stretch across millions of square kilometres, while others are so small they could fit inside a single city. Land area influences everything from climate and biodiversity to population distribution and natural resources.
But where do African countries rank among the world’s largest nations? Although Africa is the second-largest continent, many people are surprised to learn that several African nations rank among the biggest countries on Earth.
In this guide, we’ll explore the 25 biggest countries in the world, discover which black nations make the list, and share fascinating facts about these massive countries.
How Is a Country’s Size Measured?
Countries are ranked according to their total land area, usually measured in square kilometres (km²). This includes the country’s landmass and, in many rankings, inland water bodies such as lakes and rivers.
It’s important to note that being geographically large does not necessarily mean having a large population. For example, Canada is the world’s second-largest country by area but has a much smaller population than India.
Top 25 Biggest Countries in the World
| Rank | Country | Area (km²) | Continent |
|---|---|---|---|
| 1 | Russia | 17,098,246 | Europe & Asia |
| 2 | Canada | 9,984,670 | North America |
| 3 | China | 9,596,961 | Asia |
| 4 | United States | 9,525,067 | North America |
| 5 | Brazil | 8,515,767 | South America |
| 6 | Australia | 7,692,024 | Oceania |
| 7 | India | 3,287,263 | Asia |
| 8 | Argentina | 2,780,400 | South America |
| 9 | Kazakhstan | 2,724,900 | Asia |
| 10 | Algeria | 2,381,741 | Africa |
| 11 | DR Congo | 2,344,858 | Africa |
| 12 | Saudi Arabia | 2,149,690 | Asia |
| 13 | Mexico | 1,964,375 | North America |
| 14 | Indonesia | 1,904,569 | Asia |
| 15 | Sudan | 1,886,068 | Africa |
| 16 | Libya | 1,759,541 | Africa |
| 17 | Iran | 1,648,195 | Asia |
| 18 | Mongolia | 1,564,116 | Asia |
| 19 | Peru | 1,285,216 | South America |
| 20 | Chad | 1,284,000 | Africa |
| 21 | Niger | 1,267,000 | Africa |
| 22 | Angola | 1,246,700 | Africa |
| 23 | Mali | 1,240,192 | Africa |
| 24 | South Africa | 1,221,037 | Africa |
| 25 | Colombia | 1,141,748 | South America |
Where Do Black-Majority Nations Rank?
Explain that while Africa has the largest concentration of Black-majority countries, the Caribbean is also home to several independent Black-majority nations. You could then include a table like this:
| Country | Region | Approx. Area (km²) | Global Rank |
|---|---|---|---|
| DR Congo | Africa | 2,344,858 | 11 |
| Sudan | Africa | 1,886,068 | 15 |
| Chad | Africa | 1,284,000 | 20 |
| Niger | Africa | 1,267,000 | 21 |
| Angola | Africa | 1,246,700 | 22 |
| Mali | Africa | 1,240,192 | 23 |
| South Africa | Africa | 1,221,037 | 24 |
| Ethiopia | Africa | 1,104,300 | 27 |
| Nigeria | Africa | 923,768 | 32 |
| Tanzania | Africa | 947,303 | 31 |
| Jamaica | Caribbean | 10,991 | 166 |
| Haiti | Caribbean | 27,750 | 144 |
| The Bahamas | Caribbean | 13,943 | 158 |
| Barbados | Caribbean | 430 | 183 |
| Saint Lucia | Caribbean | 616 | 180 |
| Grenada | Caribbean | 349 | 187 |
| Dominica | Caribbean | 751 | 175 |
| Antigua and Barbuda | Caribbean | 442 | 182 |
| Saint Kitts and Nevis | Caribbean | 261 | 188 |
Despite Africa’s enormous size, no African country ranks within the world’s top nine. However, Algeria narrowly misses the top 10, while several others occupy prominent positions globally.
Related: Smallest black Countries in Africa by Area
Algeria: Africa’s Largest Country
Algeria became Africa’s largest country after South Sudan gained independence from Sudan in 2011.
Covering more than 2.3 million square kilometres, Algeria is dominated by the Sahara Desert, which covers about 80% of its territory. Despite its immense size, much of the population lives along the Mediterranean coast, where the climate is more suitable for agriculture and urban development.
Interesting Fact: Algeria is larger than Mexico and Saudi Arabia but has a significantly smaller population than either country.
The Democratic Republic of the Congo
The Democratic Republic of the Congo (DR Congo) is Africa’s second-largest country and one of the world’s richest nations in terms of natural resources.
It contains:
- The Congo Rainforest—the second-largest tropical rainforest on Earth.
- The Congo River—the world’s second-largest river by discharge.
- Vast reserves of cobalt, copper, diamonds, and coltan.
The country is also home to endangered mountain gorillas and remarkable biodiversity.
Why Doesn’t Africa Have a Country in the World’s Top Five?
Although Africa is the world’s second-largest continent, its landmass is divided among 54 sovereign countries. By comparison, North America includes massive countries like Canada and the United States, while Asia is home to Russia, China, and India.
Africa’s borders were largely shaped during the colonial era, creating many medium-sized and smaller nations instead of a handful of extremely large ones.
Does Bigger Mean Better?
Not necessarily.
A country’s size doesn’t determine its economic power, population, or quality of life.
For example:
- Russia is the largest country but ranks far below many smaller nations in population density.
- Canada is the second largest but has fewer people than Nigeria.
- Nigeria, despite ranking outside the world’s 30 largest countries by area, is Africa’s most populous nation.
Geography is only one part of a country’s global influence.
Interesting Facts About the World’s Biggest Countries
- Russia spans 11 time zones, making it the largest country on Earth.
- Canada has more lakes than any other country.
- Brazil contains around 60% of the Amazon Rainforest.
- Australia is the only country that occupies an entire continent.
- Algeria is the largest country in both Africa and the Arab world.
- DR Congo is home to one of the world’s greatest biodiversity hotspots.
- South Africa has three capital cities: Pretoria (administrative), Cape Town (legislative), and Bloemfontein (judicial).
Frequently Asked Questions
What is the biggest country in the world?
Russia is the biggest country in the world, covering approximately 17.1 million square kilometres, or about one-eighth of Earth’s inhabited land.
What is the biggest country in Africa?
Algeria is the largest country in Africa by land area, covering approximately 2.38 million square kilometres.
Which African country has the largest population?
Nigeria has the largest population in Africa, with over 230 million people, even though it is much smaller than Algeria or DR Congo in land area.
How many African countries are among the world’s 25 largest?
Nine African countries rank among the world’s 25 largest by land area.
Final Thoughts
The world’s largest countries showcase the incredible diversity of our planet, from the frozen landscapes of Russia to the deserts of Algeria and the rainforests of the Democratic Republic of the Congo. While Africa may not have a country in the global top five, it is home to several of the world’s largest nations, each with unique ecosystems, cultures, and natural resources.
Understanding how African countries compare globally helps highlight the continent’s immense geographic importance and its role in shaping the world’s environmental and economic future.