Table 2: Annual average rate of growth from the 1970s to 1980s in the number attaining age 100 and the proportion of this rate of growth due into improved survival from age 80 to 100 and other factors
 

 Average

 annual rate of

 growth (in %)

 from the 1970s to 1980s

 in the number attaining age

 100



Proportion (in %) of this rate of growth due to:

Improved survival from:

 Decrease in

 net

 emigration

  Increase

 in births

 from the

 1870s to

 1880s
 Country  age 80 to

 age 100

  age 50 to

 age 80

  birth to

 age 50
 Austria

5.7

60 ... ... ... ...
 Belgium

7.8

80 ... ... ... ...
 Denmark

7.7

66 13 5 0 16
 England & Wales

5.8

72 ... ... ... ...
 Finland

11.2

81 ... ... ... ...
 France

6.3

73 ... ... ... ...
 Japan

10.2

67 ... ... ... ...
 Norway

5.1

65 10 8 3 14
 Sweden

7.1

66 12 10 9 4
 Switzerland

9.2

73 ... ... ... ...
 West Germany

9.1

72 ... ... ... ...
... data not available.