经济专家预言：若都不生二胎、三胎，50年后中国人口将变成5.8亿

Core Viewpoint - The article highlights a significant demographic crisis in China, predicting a drastic population decline from 1.4 billion to 580 million in the next 50 years, emphasizing the urgency of addressing this issue [2][18]. Group 1: Population Decline - The prediction by economist Lang Xianping indicates a potential population drop to 580 million in 50 years if current birth rates continue [18]. - The birth rate has been declining sharply, with newborns falling from 1,846,000 in 2016 to 902,000 in 2023, marking a significant decrease [10][14]. - In 2024, the projected number of newborns is 954,000, while deaths are expected to reach 1,093,000, resulting in a net population decrease of 139,000 [16]. Group 2: Aging Population - The elderly population (60 years and above) reached 290 million in 2023, accounting for 21.1% of the total population, indicating a rapidly aging society [20]. - By 2031, it is projected that one in five individuals will be 65 years or older, leading to a significant increase in the old-age dependency ratio [22]. - The old-age dependency ratio is expected to rise from 22.5% in 2023 to 48.8% by 2050, indicating a growing burden on the working-age population [24]. Group 3: Reasons for Low Birth Rates - Young couples cite the high cost of raising children as a primary reason for not having more kids, with expenses for a single child reaching tens of thousands of yuan [29][31]. - The financial burden of housing loans and living expenses leaves little room for additional children, making it increasingly difficult for young families to consider expanding [31]. - The impact of childbirth on women's careers also deters many from having children, as societal pressures and workplace biases create additional challenges [33].