Taiwan’s aging index
The aging index is the number of seniors 65 years old and older per 100 14-year-olds and younger. An index number greater than 100 indicates the population of 65-year-old and older seniors out numbers the population of 14 years old and younger.
In 2015, Taiwan’s aging index was 92.18, i.e., 92.18 seniors per 100 14-year-olds and younger. Taiwan’s annual increase of seniors is 6% to 7%, indicating that by 2016-2017, Taiwan’s population will consist of more seniors than the population of 14-year-olds and younger. At the end of May, 2016, Taiwan’s aging index was 94.90.
Taiwan’s Chiayi county has the highest number of seniors, out numbering 14-year-olds and younger at 161.19. By the end of May, 2016, Chiayi’s aging index had reached 166.83. Yunlin county’s senior population was at 131.10 in 2015. Hsinchu city was at 59.36 in 2015, but at the end of May, 2016, Hsinchu city’s aging index reached 60.98. Taoyuan city was at 62.30 in 2015 but reached 64 at the end of May, 2016. The low senior aging index of 59.36 is because there are many high tech companies in the city, and many young tech workers work and settle down in that city.
Taiwan’s 2015 aging index of 92.18 shows an increase of 6.48 points from that of 2014. In 2015, Japan’s aging index was at 200, Germany’s was at 161.54, South Korea’s was at92.86, America’s and Australia’s was at 78.95, and that of the Chinese mainland was at 58.82.
In 2011, Taiwan had three counties and cities with an aging index of 100, but in 2015, there are now 14 counties and cities with an aging index of 100. In 2013, Taipei city had an aging index of 94.5. In 2015, the city of Taipei had an aging index of 105.76, and at the end of May, 2016, Taipei city’s aging index registered 108.42. At the end of 2013, New Taipei City had an aging index of 68.8, but by the end of May, 2016, it had an aging index of 86.5, an increase of 25.7%.
Age of mother at first birth
In the city of Taipei, the average age of the mother at time of her first born baby is 32.44, and the percentage of a mother with her third born child is 7.22% of all birthing mothers. In Taitung county, the age of the mother at her first birth is 28.59 years old with 22.39% giving birth to her third child. In 2004, Taiwan’s child birth rate was 1.2 children per mother.
In 1975, the percentage of birthing mothers giving birth to her third child was 38.17%. In 2011, it was 9.76% and in 2015, it was 10.67%. In the 1970s, every 3 babies born was a third child. In the 1990s, every 5 babies born was a third child. In 2001, every 10 babies born was a third child.