What is Gross Domestic Product or GDP? Explanation And Examples

If I asked you to tell me what the world’s largest economy is, you’d probably say the US. But how did you know? How can we measure it? Meet GDP or Gross Domestic Product. What is it? You’re about to find out.

Here’s a list of the world’s 10 largest GDPs in 2025 as an estimate:

Position	Country	Estimated GDP in 2025
1	United States	$30.5 trillion
2	China	$19.2 trillion
3	Germany	$4.7 trillion
4	India	$4.2 trillion
5	Japan	$4.2 trillion
5	United Kingdom	$3.8 trillion
7	France	$3.2 trillion
8	Italy	$2.4 trillion
9	Canada	$2.2 trillion
10	Brazil	$2.1 trillion

According to the European Commission, GDP is ‘the most common measure for the size of an economy’. It is effectively the total final value of all produced goods and services within a country’s limits, measured both annually and quarterly. It's important because it helps us better understand and compare the sizes of each country’s economic activity.

Nominal GDP isn’t adjusted for inflation, so real GDP later goes through that process and is therefore more accurate and reliable.

How do you calculate it? There are two approaches: 

Income: 

wages+rent+interest+profit+taxes-subsidies+depreciation

Expenditure:

Consumption+Investment+Government+(X-M)

(X-M) exports minus imports

A growing GDP is a good sign, as it means industries and companies are booming and creating new jobs for the population. Several economies have had incredible booms lately. Take Rwanda: with real estate, agriculture, tourism and infrastructure development leading its economy, it has grown by 10 percent in the first quarter of the year. Other notable economic booms include Sudan, Guinea and Uganda.

Nevertheless, a shrinking GDP could result in a recession. For example, although it has recovered this past few years, between 2023 and 2024, Argentina experienced a decrease of their GDP by 2.8 percent due to high inflation. A few weeks ago, I wrote about the German economic crisis, mainly because of increased energy prices. Well, the only reason that we know that is going on and it has raised alarms is because of the 0.2 to 0.3 percent decrease in the GDP these past years. 

In the United States, it’s calculated by the Bureau of Economic Analysis and in the EU by Eurostat. Globally, it’s usually calculated by the World Bank or the International Monetary Fund (IMF). 

GDP per capita is the country’s GDP divided by the total population in that country. For example, to calculate the GDP per capita in the US we would have to divide 30.5 trillion dollars by 342 million people, and then, to obtain the real one instead of the nominal one, adjust to inflation. 

If you’d like an article on how to adjust to inflation, comment ‘INFLATION’ or fill in the information with a suggestion below.

Here is a ranking of the world’s 10 countries with the largest GDP per capita in 2026.

GDP per capita ranking position	Country	Nominal estimated GDP per capita	GDP ranking position
1	Liechtenstein	$226,809	#155
2	Luxemburg	$158,733	#74
3	Ireland	$140,186	#23
4	Switzerland	$126,177	#20
5	Iceland	$110,048	#106
6	Singapore	$107,758	#28
7	Norway	$96,600	#31
8	United States	$94,430	#1
9	Denmark	$83,445	#37
10	The Netherlands	$79,918	#18