Of the 7.2 billion people alive in the world as of 2014, 4.4 billion live in Asia, 1.1 billion live in Africa, 353.4 million live in North America, 618.1 million live in Latin America and the Caribbean, and 740.7 million live in Europe. An additional 38.6 million people live in Oceania, which encompasses the islands of the Pacific Ocean, including New Zealand and Australia.
India and China have the largest populations, with a combined total of 2.7 billion people. The third-most populous country is the United States, with 317.7 million people. Close behind, Indonesia houses 251.5 million people, while Brazil and Nigeria are home to 202.8 and 177.5 million people, respectively. Countries with the smallest populations include Moldova with 4.1 million people, New Zealand with 4.3 million people, Puerto Rico with 3.6 million people, Slovenia with 2.1 million people and the Channel Islands with 1/2 million people.
Based on changes in fertility, infant mortality and life expectancy, the Population Reference Bureau projects Africa's population to double by 2050 and China's population to slightly decrease. It projects India's population to grow by less than 1/2 billion and Pakistan to grow from 194 million people in 2014 to 348 million in 2050.