By 2030, the global population could be 8.6 billion, according to the UN. 9.8 billion people might reside on Earth in 2050, and 11.2 billion in 2100. As around 83 million people are born every single year, the organization expects the total population to rise even if fertility levels go down. And while China currently has the most people of any country, the UN estimates India will surpass China in around seven years.
Of the world’s 10 largest countries, Nigeria is growing the fastest. The country is currently the world’s seventh largest but the UN estimates they will surpass the United States to become the world’s third largest country just before 2050. And between now and 2050, around half of all the population growth on Earth will be centered in only nine countries, five in Africa: Nigeria, India, the Democratic Republic of the Congo, Ethiopia, Tanzania, Uganda, Indonesia, Pakistan, and the United States. Read more