Perhaps the most profound implication of population decline lies in how we measure societal success. For millennia, growth served as the primary metric. A larger population meant more workers, more soldiers, more consumers driving ever-expanding economies.

The world faces an unprecedented demographic shift that has governments and experts scrambling for solutions. While global population reached 8 billion people in November 2022, the UN's 2024 projections now ascribe an 80 per cent probability to global ...

The population of the world’s second most populous country dropped by 3.39 million in 2025 to 1.405 billion, a faster decline than in 2024, official data showed.

The caribou herd that is at the center of the debate over oil drilling in the Arctic National Wildlife Refuge has declined by about a third over the past eight years, according to state biologists. The Porcupine Caribou Herd,