The United Nations announced on Monday that demographic influences are expected to alter population patterns in some of the more intensely inhabited countries around the world.

Findings presented in the report have shown that the population on earth is rising with a speed of approximately 1.5 million new people every year. As per official record, Nigeria which is the most populated country as of now would be multiplying to quadruples from 182 million to 752 million by 2100.

As per the report, Asia, which is the most populous continent with 4.4 billion populations, is set to peak at around 5.3 billion in the middle of the century, before falling to 4.9 billion by 2100.

John Wilmoth, director of the UN Population Division, made the forecasts at the 2015 Joint Statistical Meetings in Seattle. These predications of future population growth rely on accurate fertility rate estimates in the decades to come.

According to the latest UN projections, there are no chances of slow down of the global human population in this century unless there are unprecedented declines in fertility rates in parts of sub-Saharan Africa that are still experiencing rapid population growth.

Several developing countries with higher fertility rate are already struggling to contain the rising population. It has been found that although Africa’s fertility rate has declined for a decade, it is dropping at only a quarter of the rate of decline seen in countries in Asia and Latin America during the 1970s, said UN.

“Rapid population growth in high-fertility countries can exacerbate a range of existing problems – environmental, health, economic, governmental and social”, said Wilmoth.