![]() As with any type of projection, there is a degree of uncertainty surrounding these latest population projections. The world population is projected to reach 8.5 billion in 2030, and to increase further to 9.7 billion in 2050 and 10.4 billion by 2100. Global population growth has therefore over time become increasingly concentrated among the world’s poorest countries, most of which are in sub-Saharan Africa. Countries with the highest fertility levels tend to be those with the lowest income per capita. Yet levels of fertility remain high in some countries. While it took the global population 12 years to grow from 7 to 8 billion, it will take approximately 15 years-until 2037- for it to reach 9 billion, a sign that the overall growth rate of the global population is slowing. On 15 November 2022, the world’s population reached 8 billion people, a milestone in human development. These trends will have far-reaching implications for generations to come. Major changes in fertility rate have accompanied this growth. ![]() This dramatic growth has been driven largely by increasing numbers of people surviving to reproductive age, the gradual increase in human lifespan, increasing urbanization, and accelerating migration. The world’s population is expected to increase by nearly 2 billion persons in the next 30 years, from the current 8 billion to 9.7 billion in 2050 and could peak at nearly 10.4 billion in the mid-2080s. The global human population reached 8.0 billion in mid-November 2022 from an estimated 2.5 billion people in 1950, adding 1 billion people since 2010 and 2 billion since 1998. ![]() ![]() The world’s population is more than three times larger than it was in the mid-twentieth century. ![]()
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