China's population has fallen for the fourth straight year, with the United Nations estimating that China could lose more than half of its current population by the year 2100. ABC News' Britt Clennett has the details. | ABC News Live

📊 China — Population by Year (1955–2025) 🌏 Over the past seven decades, China’s population has transformed the nation’s story. From just over 600 million in 1955 to more than 1.4 billion today, the country has experienced one of the largest demographic shifts in human history. 🏙️ Urbanization, economic growth, and improved living standards reshaped society. Cities like Shanghai and Beijing became symbols of progress, drawing millions from rural areas seeking opportunity and education. 🧠 Chin