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Appendix Ⅱ Statistics

Appendix II Statistics

Appendix II Statistics

Land Area and Climate

Taipei City became a centrally administered municipality under the Executive Yuan, R.O.C. in July 1967. After several boundary readjustments, the land area of Taipei City by the end of 2007 was 271.7997 km2. The average population density of the city is 9,674 persons per km2, ranking second in the country, only 226 persons less than the population density of Kaohsiung City. Taipei City is located in the subtropical zone with year-round rain and no obvious dry seasons. The climate is usually damp and cold during the wintertime due to the influence of the northeast monsoon. The temperature rises during the summertime, since Taipei is located in a basin that does not allow for regular ventilation. The average temperature in Taipei in 2007 was 23.6℃, which was 0.2℃ lower than that of 2006. The highest and lowest monthly average temperatures were 30.4℃ in July and 17.3℃ in January, respectively, showing a gap of 13.1℃. 2007 was a year of above-average rainfall with an annual precipitation of 3,015.9 mm, which was a 31.79% increase compared to that of 2006.

Table 1 : Statistics on Land and Climate for Taipei City
Item (Unit) 2004 2005 2006 2007 Comparison between
2007 and 2006
Land Area (km2) 271.7997 271.7997 271.7997 271.7997 0.0000
Population Density (person/km2) 9,649 9,626 9,684 9,674 -10
Climate 2006 2007  
Jan. Feb. March April May
Average Temperature(℃ ) 23.8 23.6 17.3 18.7 19.7 21.2 26.4
Average Relative Humidity (%) 76 76 78 74 79 75 71
Daylight (hour) 1,381.9 1,413.0 94.7 128.8 77.4 84.7 172.6
Rainfall (mm) 2,288.4 3,015.9 111.4 70.5 19.7 198.0 96.6
Rainfall Days (day) (1) 167 169 9 9 17 17 13
Climate 2007
June July Aug. Sep. Oct. Nov. Dec.
Average Temperature (℃ ) 28.0 30.4 28.7 27.5 24.8 20.7 19.3
Average Relative Humidity (%) 80 69 76 79 76 78 74
Daylight (hour) 105.1 169.0 150.6 146.6 100.1 64.0 92.4
Rainfall (mm) 709.9 156.9 576.2 367.8 280.3 155.5 30.3
Rainfall Days (day) (1) 19 10 23 18 13 17 4
Sources: Department of Land, Taipei City Government; Department of Civil Affairs, Taipei City Government; Central Weather Bureau.
Note:
(1) No. days with precipitation greater than or equal to 0.1 mm.

Population Profile

The registered population in Taipei City was 1,600,000 when its urban districts were restructured and expanded in 1968. The population increased to 2,630,000 by the end of 2007, roughly 1.6 times of that in 1968. The average population density of the city reached 9,674 persons per km2 by the end of 2007, which was 10 persons less than that of 2006. The sex ratio (male/female*100) has gradually dropped to 94.51 by the end of 2007, and is the lowest among the cities and counties of the country. The female population exceeds that of the male population, which is similar to figures for Hong Kong, Singapore and Tokyo, where the sex ratios are all lower than 100. In terms of age, the senior population has been increasing annually, while the younger population has been decreasing. By the end of 2007, the aging index reached 74.43%, higher than that Singapore and Seoul, which are lower than 50%, and lower than that of Osaka and Tokyo, which are higher than 100%. The dependency ratio decreased to 38.95%, similar to that of Jakarta and Singapore.

Two factors influence the fluctuation of the total population, namely natural increase (birth and death) and social increase (immigration and emigration). Taipei City's natural increase in 2007 was 2.57‰, an increase of 0.15 point from 2006, and its social increase was -3.70‰, a decrease of 7.03 points from 2006.

Table 2 : Statistics on Population for Taipei City
Item (Unit) 2004 2005 2006 2007 Comparison between
2007 and 2006
Registered Households 923,325 933,110 941,317 947,745 +6,428
Registered Population (person) 2,622,472 2,616,375 2,632,242 2,629,269 -2,973
Mean size of Household (person) 2.84 2.80 2.80 2.77 -0.03
Population Density (Person/ km2) 9,649 9,626 9,684 9,674 -10
Sex Ratio (male/female×100) 96.27 95.71 95.05 94.51 -0.54
Aging Index (%) (1) 61.70 65.95 70.55 74.43 (+3.88)
Dependency Ratio (%) (2) 40.11 39.67 39.17 38.95 (-0.22)
Population Growth Rate (‰) -1.78 -2.32 6.06 -1.13 (-7.19)
Natural Increase Rate (‰) 3.10 2.46 2.72 2.57 (-0.15)
Social Increase Rate (‰) -4.88 -4.79 3.33 -3.70 (-7.03)
Source: Department of Civil Affairs, Taipei City Government
Note:
(1) Aging Index = (population aged 65 and over )/ (population under 15 years of age)×100.
(2) Dependence ratio = (( population under 15 years of age+population aged 65 and over) / (population aged between 15 and 65 including 15 ))×100

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  • Updated: 2009/9/3 18:16
  • Reviewed: 2009/9/3 18:16

  • Source: Department of Information Technology, Taipei City Government