Top 10 largest economies in the world and their major GDP contributors

One major metric used to evaluate the strength of a country’s economy is the size of the gross domestic product (GDP), which is defined as the combined value of all goods and services produced within a country in a year.

• Business Insider Africa presents the top 10 largest economies in the world and their major GDP contributors.
• The list is courtesy of the International Monetary Fund, (IMF)
• From agriculture, to manufacturing to oil, some industries have been noted to make the highest contributions to a nation's GDP over the years.

One major metric used to evaluate the strength of a country’s economy is the size of the gross domestic product (GDP), which is defined as the combined value of all goods and services produced within a country in a year.

From agriculture, to manufacturing to oil, some industries have been noted to make the highest contributions to a nation's GDP over the years.

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In order to actually understand the strengths of the key growth indicators of an economy, three key sectors, agriculture, industry, and services are measured according to their percentage contribution to the total GDP and when their percentages are added, it will be 100% of GDP.

The agriculture sector includes farming, fishing, and forestry. Industry includes mining, manufacturing, energy production, and construction while the services sector covers government activities, communications, transportation, finance, and all other private economic activities that do not produce material goods.

The largest contributor to global GDP

This data below sourced from the International Monetary Fund, (IMF) shows the top 10 largest economies/ richest countries in the world and the major contributors to their GDPs;

Rank	Country	GDP (USD)	Highest Contributor	%
1	United States	$28.78 trillion	Services	77
2	China	$18.53 trillion	Services	55
3	Germany	$4.59 trillion	Services	63
4	Japan	$4.11 trillion	Services	71
5	India	$3.94 trillion	Services	50
6	United Kingdom	$3.5 trillion	Services	73
7	France	$3.13 trillion	Services	70
8	Brazil	$2.33 trillion	Services	58.91
9	Italy	$2.33 trillion	Services	64.3
10	Canada	$2.44 trillion	Services	69.7

According to Statista, the services sector contributed the largest share to the global GDP according to data analyzed from 2013 to 2023. The Industry sector came in second position while the Agricultural sector followed in third place.

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The table above confirms this data as the services sector tops the list as the largest contributor to the GDPs of the world's largest economies accounting for as high as 77% in the United states.

Africa’s services sector plays a crucial and growing role in the continent’s economy, contributing significantly to GDP, employment, and overall economic diversification.

As of recent data, the services sector accounts for over 50% of Africa’s total GDP, making it the largest contributor ahead of agriculture and industry.

The sector includes a wide range of activities such as telecommunications, financial services, retail, transport, tourism, education, and healthcare.

In many African countries, rapid urbanization, technological advancement, and increased mobile connectivity have accelerated the expansion of digital services, fintech, and e-commerce—especially in economies like Nigeria, Kenya, South Africa, Egypt, and Ghana.

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