Chang Ming-cheng, formerly deputy director of the Department of Health's Bureau of Health Promotion and now a scientific adviser to the department, believes that the main reason for the continuous decline in the overall birthrate is late marriage, which has brought about a marked fall in the percentage of people under 30 who are married.
衛生署國民健康局前副局長、現任科技顧問張明正認為，總生育率不斷下降，主要是由於晚婚或三十歲以下有偶率顯著下降所致。