The 52:52:52 project, launching on this site and on social media in 2025, will help you address 52 issues with 52 responses over 52 weeks.
Population

Please see below recent demographics-related change.
See also:

HOW GLOBAL POPULATIONS REACHED ITS CURRENT LEVEL
It took 200,000 years for our human population to reach 1 billion—and only 200 years to reach 7 billion. But growth has begun slowing, as women have fewer babies on average. When will our global population peak? And how can we minimize our impact on Earth’s resources, even as we approach 11 billion?
POPULATION GROWTH IS NOW DECLINING

According to the World Bank, more people now live inside this circle than outside of it - see @WorldBank pic.twitter.com/iN1gDHaFiV.