The total fertility rate has fallen below replacement level in many countries.
许多国家的总和生育率已降到更替水平以下。
Although the total fertility rate rose slightly last year, long-term trends still point to population aging and a smaller workforce.
尽管去年的总和生育率略有回升,但长期趋势仍指向人口老龄化以及劳动力规模缩小。