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指标/年份
USA_0-14岁人口占总人口的百分比
USA_15-64岁人口占总人口的百分比
USA_65岁及以上年龄人口占总人口的百分比
1960
31.27
59.90
8.83
1961
31.40
59.66
8.93
1962
31.29
59.70
9.01
1963
31.11
59.82
9.07
1964
30.93
59.92
9.14
1965
30.70
60.04
9.26
1966
30.39
60.24
9.37
1967
29.99
60.56
9.45
1968
29.52
60.95
9.53
1969
29.03
61.35
9.62
1970
28.55
61.73
9.72
1971
28.02
62.17
9.81
1972
27.37
62.73
9.90
1973
26.64
63.36
10.01
1974
25.89
63.98
10.13
1975
25.16
64.57
10.27
1976
24.45
65.13
10.42
1977
23.80
65.62
10.58
1978
23.25
66.01
10.75
1979
22.77
66.32
10.92
1980
22.40
66.52
11.08
1981
22.15
66.64
11.21
1982
21.98
66.69
11.33
1983
21.84
66.70
11.46
1984
21.69
66.72
11.59
1985
21.51
66.77
11.72
1986
21.35
66.80
11.85
1987
21.30
66.71
11.99
1988
21.35
66.54
12.11
1989
21.46
66.32
12.22
1990
21.57
66.12
12.31
1991
21.71
65.94
12.35
1992
21.82
65.79
12.39
1993
21.87
65.72
12.41
1994
21.87
65.73
12.41
1995
21.79
65.80
12.41
1996
21.68
65.93
12.39
1997
21.55
66.10
12.35
1998
21.41
66.28
12.30
1999
21.29
66.47
12.24
2000
21.16
66.65
12.19
2001
21.03
66.83
12.14
2002
20.89
67.00
12.11
2003
20.73
67.17
12.10
2004
20.55
67.34
12.11
2005
20.35
67.52
12.13
2006
20.16
67.66
12.18
2007
20.02
67.67
12.31
2008
19.91
67.60
12.49
2009
19.81
67.52
12.67
2010
19.70
67.46
12.84
2011
19.60
67.33
13.07
2012
19.51
67.12
13.38
2013
19.41
66.89
13.70
2014
19.31
66.68
14.01
2015
19.19
66.50
14.31
2016
19.07
66.32
14.61
2017
18.94
66.12
14.94
2018
18.79
65.92
15.29
2019
18.61
65.72
15.67
2020
18.39
65.54
16.07
2021
18.15
65.38
16.47
2022
17.88
65.20
16.92
2023
17.59
64.97
17.43
2024
17.32
64.75
17.93
相关系数矩阵
USA_0-14岁人口占总人口的百分比
USA_15-64岁人口占总人口的百分比
USA_65岁及以上年龄人口占总人口的百分比
USA_0-14岁人口占总人口的百分比
1.000000
-0.900455
-0.869174
USA_15-64岁人口占总人口的百分比
-0.900455
1.000000
0.567567
USA_65岁及以上年龄人口占总人口的百分比
-0.869174
0.567567
1.000000