Africa's population share has accelerated from 9.3% in 1955 to 18.8% in 2025

  • Africa’s share of the global population has more than doubled, from 9.3% in 1955 to an estimated 18.8% in 2025.
  • The most rapid growth has occurred since 2000, increasing from 13.5% to 18.8% over 26 years.
  • Between 1980 and 2000, Africa’s share rose modestly from 10.9% to 13.5%.
  • The most significant 20-year gain occurred between 2000 and 2020, with an increase of 4 percentage points.
  • Population growth in Africa contrasts with stagnation or decline in many other parts of the world.

Africa’s share of the global population has risen over the past seven decades, with growth accelerating sharply in recent years. From just 9.3% in 1955, the continent’s share has climbed to an estimated 18.8% in 2025. The most significant surge has occurred since the year 2000, when Africa accounted for 13.5% of the world’s population, marking a 5.3 percentage-point jump in just 26 years.

The acceleration since the turn of the millennium has been striking. Between 2000 and 2020, Africa’s share rose from 13.5% to 17.5%, and the upward trend continued into the 2020s. This growth means Africa plays an increasingly central role in shaping global demographics, labour markets, and future economic trends.

This demographic expansion brings both opportunities and challenges. With a larger share of the world’s people, Africa’s influence on global consumption, innovation, and cultural exchange is set to grow, but so too is the responsibility to ensure that economic structures, education systems, and infrastructure keep pace with population needs.

Source:

Worldometer

Period:

1955-2025
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3 African cities feature in the 20 most populous cities globally, with a total population of 59.9 million
  • Together, the top three cities — Tokyo, Delhi, and Shanghai — have more than 100 million residents.
  • Asia dominates the ranking, with most of the top ten cities located on the continent.
  • Only three African cities — Cairo, Kinshasa, and Lagos — appear in the top 20.
  • Africa’s three mega-cities together account for nearly 60 million people, showing concentrated urban growth.
  • Urban population growth is driven by migration toward economic and commercial hubs.

Nigeria's age dependency ratio for the young dominates that of the old, on average, at 14:1
  • The young-to-old dependency ratio stands at 14:1, showing that youth dependency overwhelmingly drives the total ratio.
  • The total dependency ratio declined from 88.2% in 1976 to 78.8% in 2024, showing slow but steady improvement.
  • The youth dependency ratio has dropped from 82.2% to 73.3% over the same period.
  • The old-age dependency ratio remained almost flat, averaging around 5–6% for nearly 50 years.
  • The highest total dependency ratio was 95.0% in 1988.
  • The ratio’s slight downward trend after 2012 reflects a growing working-age population entering the labour market.

Six of the ten countries with the lowest share of older populations are in Africa
  • Qatar has the lowest share of seniors, with only 1.7% of its population aged 65+.
  • The UAE follows closely at 1.8%.
  • Zambia has 2.0% of its population aged 65 and above, totalling about 438,000 people.
  • Uganda, Chad, and the Central African Republic each have a senior population of around 2.1–2.2%, with totals exceeding 1 million seniors.
  • Qatar also has the smallest absolute number of seniors on the list—just 53,000 people.
  • Nigeria has 7.3 million seniors that represent only 3.1% of its population, ranking 25th worldwide.

At 38 years, Mauritius has the oldest median age among African countries
  • Mauritius, with a median age of 38 years, has the oldest population in Africa.
  • The Central African Republic has the youngest population, with a median age of 14 years.
  • Nigeria’s median age of 18 years reflects the dominance of youth in its population.
  • Older populations tend to signal lower fertility rates.
  • Younger populations highlight higher fertility rates and greater demand for education and jobs.

Over the last 76 years, Africa's population has increased from being less than half (228M) that of Europe to doubling Europe (1.6B)
  • Africa’s population grew by 580.4%, from 228M in 1950 to 1.6B in 2025, making it the fastest-growing continent.
  • Asia remains the most populated continent, reaching 4.8B people in 2025, up from 1.4B in 1950.
  • Europe’s growth has been the slowest, at just 35.6%, rising from 549M to 744M.
  • Latin America & the Caribbean grew by 298%, from 168M to 668M.
  • North America more than doubled its population, growing by 130.7% from 168M to 388M.
  • Oceania saw a 270% increase, though it remains the least populated continent at 47M people.
  • Africa’s population is now more than double Europe’s, a major demographic shift compared to 1950.

The most populous country per region varies from Nigeria's 238M to South Africa's 65M
  • Nigeria leads Africa with 238 million people in July 2025.
  • Namibia, though the second largest in the South, has only 3 million people.
  • In Eastern Africa, Ethiopia (135M) and Tanzania (71M) dominate.
  • Egypt (118M) and Sudan (52M) are Northern Africa’s population leaders.
  • South Africa (65M) is Southern Africa’s most populous country, far ahead of Namibia.
  • In West Africa, Nigeria (238M) and Ghana (35M) are the most populous, showing a wide gap within the region.

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