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Appendix. Statisitics from the compendium Page 47
A
i. UK resident population trends
Note: projections from 2001 are based on 2000 mid-year estimates.

Sources:
Annual Abstract of Statistics (ONS)
Government Actuary's Department
 
You can download a file of these statistics in CSV format. This can be used in most spreadsheets.

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The file is called comp1.csv.
Index (log scale) 1948=100
Year
All ages
15 to 64
years
Over 65
years
Over 75
years
Over 85
years
1948 100.0 100.0 100.0 100.0 100.0
1951 101.6 98.7 102.8 105.9 100.0
1956 104.0 97.3 105.6 117.6 125.0
1961 106.9 96.1 109.3 123.5 150.0
1966 110.9 95.7 113.1 126.5 175.0
1971 113.2 92.9 123.4 138.2 225.0
1976 113.8 93.3 132.7 150.0 250.0
1981 114.2 95.5 141.1 173.5 275.0
1986 115.0 97.5 143.0 191.2 300.0
1991 117.0 96.6 146.7 202.9 400.0
1996 119.0 96.4 147.0 209.7 453.6
2001 121.4 97.4 146.0 218.2 489.3
2006 123.2 99.0 147.0 221.5 503.3
2011 125.4 99.2 154.4 225.4 542.3
2016 127.6 97.3 169.5 234.8 574.3
2021 129.8 95.9 178.6 257.0 614.6
2026 131.6 93.8 192.5 294.4 671.2
2031 132.7 91.1 211.5 313.3 775.5
2036 133.2 89.5 225.4 341.6 923.8
2041 133.3 89.4 228.5 381.3 969.2
2046 132.9 89.7 227.3 405.8 1071.9
2051 132.3 89.4 227.9 401.3 1223.7