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Table 1 Total registered population, elderly population over 65 years old and aging coefficient of Jiangsu Province from 2011 to 2023

From: Prediction of population aging trend and analysis of influencing factors based on grey fractional-order and grey relational models: a case study of Jiangsu Province, China

Year

2011

2012

2013

2014

2015

2016

2017

Total population (10,000)

7514.25

7553.48

7616.84

7684.69

7717.59

7775.66

7794.19

Population over 65 (10,000)

941.28

970.37

1017.94

1072.47

1115.08

1167.55

1199.91

Aging coefficient

12.54%

12.87%

13.38%

13.97%

14.45%

15.01%

15.38%

Year

2018

2019

2020

2021

2022

2023

 

Total population (10,000)

7813.86

7858.27

7876.75

7881.70

7872.00

7852.36

 

Population over 65 (10,000)

1256.45

1330.29

1387.92

1443.95

1522.00

1540.55

 

Aging coefficient

16.03%

16.91%

17.62%

18.32%

19.33%

19.60%

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