As the theme of this year’s World Population Day reminds us, investing in data collection is important to understanding problems, tailoring solutions, and driving progress. So is finance.

The 0.9% increase in 2024 was a slight slowdown from last year, when the world population grew by 75 million people. In January 2025, 4.2 births and 2.0 deaths were expected worldwide every second ...

The World Population Prospects 2019: Highlights, estimates that the next 30 years will see the global population add an extra 2 billion people to today's figure of 7.7 billion, and, by the end of ...