Madagascar, the world’s fourth-largest island nation, has seen rapid demographic growth over the past century. In 1950, the country had a population of 3.96 million. By 2024, the population is estimated at 31.96 million, representing an eightfold increase in just 74 years. According to United Nations projections, Madagascar’s population will continue to expand dramatically, reaching 85.3 million by 2100.
Historical Population Growth (1950–2024)
Madagascar’s demographic history reflects high fertility rates and steady natural increase:
- 1950s–1970s: The population rose from 3.9 million in 1950 to 7.7 million in 1975, nearly doubling in just 25 years.
- 1980s–2000s: Growth accelerated further, with the population surpassing 20 million by 2008.
- 2010s–2020s: Continued high growth brought the population to 31.9 million in 2024, making Madagascar one of Africa’s fastest-growing nations.
Future Population Projections for Madagascar (2025–2100)
Madagascar is expected to maintain rapid growth throughout the 21st century:
- 2030: ~36.7 million
- 2050: ~53.1 million
- 2075: ~72.3 million
- 2100: ~85.3 million
If these trends hold, Madagascar’s population in 2100 will be more than 21 times larger than it was in 1950.
FAQ
In 2024, Madagascar’s population is estimated at 31.96 million.
Madagascar’s population has grown more than eightfold since 1950 and is projected to nearly triple again by 2100.
According to projections, Madagascar will surpass 50 million around 2049–2050.
By 2050, Madagascar’s population is expected to reach 53.2 million.
UN forecasts suggest growth will continue but at a slower pace, with stabilization likely beyond 2100.
Source:
United Nations. World Population Prospects 2024.

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