By 2054, India is projected to remain the world’s most populous country, growing by 17.1% from 2024 to reach 1.69 billion people

Key Takeaways:

  • India is projected to remain the world’s most populous country in 2054, reaching 1.69 billion, an increase of 246 million from 2024.
  • China’s population is expected to decline to 1.22 billion by 2054, marking a 14.1% decrease.
  • Nigeria is projected to rise to 5th place globally, with a population of 374 million, a 62% increase from 2024.
  • The United States remains the only high-income country in the top five, with a projected population of 384 million.
  • Pakistan is expected to climb from 5th to 3rd place, adding 138 million people by 2054.
  • Three African countries (Nigeria, Ethiopia, and the Democratic Republic of the Congo) are expected to rank among the top 10 most populous nations.
  • Russia is projected to see a population decline of 6.9%.

Looking ahead to 2054, India is projected to solidify its position as the world’s most populous country, with an estimated 1.69 billion people, growing by nearly 250 million over three decades. In contrast, China is expected to see its population decline to 1.22 billion, a 14.1% drop from its 2024 level.

Rapid growth in countries such as Pakistan and Nigeria is expected to significantly reshape the global demographic landscape. Pakistan is projected to surge into third place with 387 million people, while Nigeria is expected to reach 374 million, moving up to fifth place globally. Meanwhile, Russia, like China, is on a path of population decline, with its population expected to decline by 6.9%.

Source:

UNDESA: World Population Prospects 2024

Period:

2054
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Lagos, Kano, Abuja, and Ibadan are among Africa’s most populous cities with a combined population of 31.3 mn
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  • Cairo remains Africa’s largest city, with over 23 million people, keeping Egypt at the centre of the continent’s urban network.
  • Kinshasa’s position shows Central Africa’s rising urban influence.
  • There is a steep population gap after the top three cities.

3 African cities feature in the 20 most populous cities globally, with a total population of 59.9 million
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  • 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
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  • 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.
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  • The ratio’s slight downward trend after 2012 reflects a growing working-age population entering the labour market.

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  • 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.
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At 38 years, Mauritius has the oldest median age among African countries
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  • Nigeria’s median age of 18 years reflects the dominance of youth in its population.
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Over the last 76 years, Africa's population has increased from being less than half (228M) that of Europe to doubling Europe (1.6B)
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  • 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.

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