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  2. 在 人口統計學 中, 出生率 (crude birth rate,CBR)的定義是每年、每一千人當中的新生 人口 數,可以數學式表達為: (「n」代表該年新生人口數,「p」當年 人口 總數。 某年出生率的數值扣掉 死亡率 的數值,即為該年的人口自然增長率(「自然」意謂不含移民人口)。 另外一个生育率指标也经常用到: 总和生育率 -即在育龄期间,每个妇女平均的生育子女数。 自然生育率能看到人口的年龄分布造成的影响。 生育率在发展落后的国家会较高,而在很多发达国家较低。 其他測知方式. 总体 生育率 (GFR,General fertility rate) - 等于1000名15至45岁妇女所生孩子的个数.

  3. The crude birth rate, i.e. the ratio of the number of live births in a calendar year to the mid-year population, declined from 16.8 live births per 1 000 population in 1981 to. 7.0 in 2003, and then rebounded to 13.5 in 2011, before dropping to 7.0 in 2019.

  4. 2024年7月12日 · Birth rate,total. UN WPP. Number of births recorded annually, divided by population in that year. It is based on the civil calendar year, spanning from January 1 to December 31. Source. UN, World Population Prospects (2024) – processed by Our World in Data. Last updated. July 12, 2024. Date range.

  5. The crude birth rate is the annual number of live births per 1,000 population. Method of measurement. The crude birth rate is generally computed as a ratio. The numerator is the number of live births observed in a population during a reference period and the denominator is the number of person-years lived by the population during the same period.

  6. live births per 1 000 population in 1991 to 7.0 in 2003 and then increased to 13.5 in 2011, before dropping to 7.0 in 2019. Amid the impact of COVID 19 - pandemic, the number of live births and the crude birth rate further dropped to 36953 and 5.0 in 2021

  7. Birth Rate. The crude birth rate in Hong Kong has dropped significantly from 35.0 per 1,000 population in 1961 to 7.0 per 1,000 population in 2003, then raised to 13.5 per 1,000 population in 2011, and dropped to 4.4 per 1,000 population in 2022.

  8. Crude Birth Rate (CBR) and Crude Death Rate (CDR), 1981 - 2023. The crude birth rate has decreased from 16.8 per 1000 population in 1981 to 7.1 in 2002, then rebounded significantly to 13.5 in 2011 but decreased to 4.4# in 2023.

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