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年份USA_65岁及以上年龄人口占总人口的百分比CHN_65岁及以上年龄人口占总人口的百分比
19709.723.71
19719.813.74
19729.903.77
197310.013.82
197410.133.88
197510.273.95
197610.424.02
197710.584.09
197810.754.18
197910.924.29
198011.084.40
198111.214.49
198211.334.58
198311.464.66
198411.594.75
198511.724.85
198611.854.94
198711.995.03
198812.115.12
198912.225.23
199012.315.35
199112.355.45
199212.395.58
199312.415.73
199412.415.89
199512.416.05
199612.396.23
199712.356.40
199812.306.60
199912.246.81
200012.197.02
200112.147.21
200212.117.40
200312.107.58
200412.117.74
200512.137.89
200612.188.05
200712.318.21
200812.498.36
200912.678.50
201012.848.66
201113.078.86
201213.389.09
201313.709.36
201414.019.67
201514.3110.05
201614.6110.49
201714.9410.98
201815.2911.52
201915.6712.06
202016.0712.65
202116.4713.21
202216.9213.78
202317.4314.32
202417.9314.67