10 Countries With Highest Rates of Population Growth

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3. Niger 

Population Growth Rate: 3.66%

As evidenced by the highest fertility rate of 6.82 in 2021, Niger ranks 3rd amongst countries with the highest rates of population growth. And as expected, a major chunk of the country’s population, 41.8% to be specific, is living in extreme poverty as per World Bank data. According to UNDESA projections, Niger will experience the most substantial population gains by 2100, which will have increased by 578%.

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