On January 1, 2016, the world population reached nearly 7.3 billion, the United States Census Bureau reported. The estimated population of the Earth on January 1 this year was 7.3 billion, having increased by 78 million, or 1.08%, from New Year’s Day in 2015, as per the US online census.gov. The Census Bureau’s US and World Population Clock simulates real-time growth of the US and world populations. The most populous country in the world is China (1.36 billion) with India (1.25 billion) close on its heels, followed by the US (322 million) and Indonesia, Brazil, Pakistan, Nigeria, Bangladesh, Russia, and Japan.
