What Is the Biggest Country in the World?
When people ask “what biggest country in the world?” they usually mean: Which country has the largest land area? In this article we’ll answer that question, show the top 10 biggest countries, and explain how “biggest” can also mean population or economy – not just physical size.
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Quick answer: which country is the biggest in the world?
By total land area, the biggest country in the world 是 俄羅斯. It covers around 17 million square kilometres, stretching across Eastern Europe and Northern Asia and spanning 11 time zones。
After Russia, the next largest countries by area are 加拿大, the United States, 中國 和 巴西。
The ranking below is based on widely used reference data such as the World Bank 和 CIA World Factbook , which both publish country land-area statistics.
1. Top 10 Biggest Countries in the World by Area
Here is a simplified list of the largest countries in the world by total area. Numbers are rounded for readability:
| 秩 | 國家 | Approx. area (km²) | 地區 |
|---|---|---|---|
| 1 | 俄羅斯 | ≈ 17,100,000 | 歐洲 / 亞洲 |
| 2 | 加拿大 | ≈ 9,980,000 | 北美 |
| 3 | 美國 | ≈ 9,830,000 | 北美 |
| 4 | 中國 | ≈ 9,600,000 | 亞洲 |
| 5 | 巴西 | ≈ 8,510,000 | 南美洲 |
| 6 | 澳大利亞 | ≈ 7,690,000 | 大洋洲 |
| 7 | 印度 | ≈ 3,290,000 | 亞洲 |
| 8 | 阿根廷 | ≈ 2,780,000 | 南美洲 |
| 9 | Kazakhstan | ≈ 2,720,000 | 亞洲 / 歐洲 |
| 10 | 阿爾及利亞 | ≈ 2,380,000 | 非洲 |
Note: figures above are rounded and can vary slightly between sources (for example, the World Bank DataBank 和 United Nations M49 country/area classification ）。
2. Why Russia Is the Biggest Country in the World
俄羅斯 is unique in both its size 和 geography. It stretches from Eastern Europe all the way to the Pacific Ocean, making it a truly transcontinental country。
- It spans two continents – 歐洲 和 亞洲。
- Russia borders more than a dozen countries, including 中國, Kazakhstan, 挪威 和 芬蘭。
- It covers 11 time zones, from UTC+2 in the west to UTC+12 in the far east (depending on how zones are defined).
- The landscape includes tundra, taiga forests, vast plains, mountain ranges and Arctic coastlines.
For more detailed background on Russia’s geography, economy and population, you can check the country’s profile in the World Factbook or the entry on Wikipedia 。
3. “Biggest” by Area vs Population vs Economy
When we talk about the biggest country in the world, it is important to be clear: do we mean biggest by land area, biggest by population 或者 biggest by economy?
Biggest by area: Russia
As we’ve seen, Russia is No.1 by area, far ahead of Canada and the United States.
Biggest by population: India (people), China very close
If you measure “biggest” by number of people, the ranking looks very different. 印度 has the largest population in the world, with 中國 close behind. Both countries have more than 1.4 billion people.
Biggest by economy: United States
If you look at economic size using gross domestic product (GDP), the United States is the largest economy in the world, followed by China and other major economies such as Japan, Germany and India.
This is why it’s useful to be precise when asking questions like “what biggest country in the world” – it usually means “by area”, but you might also want to compare population, GDP or other indicators.
4. Does Being a Big Country Matter?
Being physically large can be both an advantage 和一個 challenge。
Advantages of large area
- More natural resources – oil, gas, minerals, forests and farmland.
- Climate diversity – from cold northern regions to warmer southern areas.
- Strategic depth – more land between borders and key cities.
Challenges for large countries
- Infrastructure cost – long distances make roads, railways and internet more expensive.
- Regional inequality – some regions can be very rich, others left behind.
- Administration – it is harder to govern a territory that spans many time zones and cultures.
Smaller countries, such as 新加坡 或者 瑞士, show that you do 不是 need a huge land area to become wealthy or influential.
5. Explore Big Countries by Time Zone, Phone Code and More
On this website you can learn more about each large country, including its time zone, international calling code and local time. Try:
- 世界時間和時區工具 – see what time it is right now in Russia, Canada, the U.S., China and Brazil.
- 時差計算器 – compare time differences between big countries (for example, Moscow vs New York).
- International Calling Code Lookup – find the phone code for each country and see how to dial there from abroad.
For official geographic and statistical information, you can also visit external resources like:
FAQ: Biggest Country in the World
1. What is the biggest country in the world by land area?
By total area, the biggest country in the world is 俄羅斯, with about 17 million square kilometres of land extending across Europe and Asia.
2. Which country is the second biggest?
The second-largest country by area is 加拿大, followed closely by the 美國, 中國 和 巴西。
3. What is the biggest country fully in Europe?
If you only count the part of each country that lies in Europe, 烏克蘭 is often listed as the largest country located entirely within Europe. Russia has the largest area in Europe overall, but most of its territory is in Asia.
4. What is the biggest island country?
If you look at countries made up entirely of islands (archipelagic states), 印度尼西亞 is often considered the largest by area and has a very large population as well.
5. Why do different websites show slightly different area numbers?
Different institutions use slightly different methods for measuring land area – for example, how they treat inland water, lakes, disputed regions or Antarctic claims. That’s why one source (like the World Bank) may give a slightly different number than another (like the World Factbook), but the overall ranking of largest countries stays the same.
Summary: The Biggest Country – and the Many Ways to Measure “Big”
To answer the original question – “what biggest country in the world?” – we usually mean largest by land area。
- By area, the biggest country is 俄羅斯, followed by Canada and the United States.
- By population, the biggest country is 印度, with China close behind.
- By economy (GDP), the biggest country is the 美國。
You can explore each of these large countries in more detail on our 國家頁面, and use our 世界時間 和 調用代碼 tools to see how their size, time zones and communication systems fit into a connected world.