There are more than 8 billion humans on Earth, according to the United Nations. And for decades, China has had more people than any other country. But now, China’s population is declining. As soon as this year, it could lose its place as the most populous nation in the world. National Geographic photographer Justin Jin shares what he observed in this pivotal moment for China; he captured scenes where many young women are choosing not to have children, and instead are spending their money on doggie daycare and on karaoke nights with friends and male escorts. As we head into Women’s History Month, we’ll explore why Chinese women are taking a different path, despite the government campaigns pushing them to get married and have children. For more information on this episode, visit natgeo.com/overheard Want more? See Justin Jin’s photos—and other scenes from a world with 8 billion people—in the April issue of National Geographic. Earth's growing population belies vastly different types of demographic change taking shape around the globe. Here’s why demographers don’t agree on what will happen next. Also explore: Follow Justin on Instagram @Justin.Jin. Learn about Chinese propaganda targeting women—and how more women are pushing back—in Leta Hong Fincher’s books Leftover Women: The Resurgence of Gender Inequality in China and Betraying Big Brother: The Feminist Awakening in China. Learn more about your ad choices. Visit megaphone.fm/adchoices