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Population structure indicators. By age groups

Population structure. 2014-2018 By age groups
2014 2015 2016 2017 2018
Population by five-year age groups (%)
From 0 to 4 years 5.4 5.2 5.0 4.9 4.8
From 5 to 9 years 5.6 5.7 5.7 5.6 5.5
From 10 to 14 years 5.0 5.1 5.2 5.3 5.5
From 15 to 19 years 4.5 4.6 4.7 4.8 4.9
From 20 to 24 years 4.8 4.8 4.8 4.8 4.9
From 25 to 29 years 5.7 5.5 5.4 5.4 5.5
From 30 to 34 years 7.5 7.0 6.7 6.4 6.1
From 35 to 39 years 9.1 8.8 8.5 8.2 7.8
From 40 to 44 years 8.4 8.6 8.7 8.8 8.8
From 45 to 49 years 7.7 7.8 7.9 7.9 8.0
From 50 to 54 years 6.9 7.0 7.1 7.2 7.4
From 55 to 59 years 6.1 6.2 6.3 6.4 6.5
From 60 to 64 years 5.4 5.4 5.5 5.5 5.6
From 65 to 69 years 5.0 5.1 5.0 5.1 5.1
From 70 to 74 years 3.8 4.1 4.2 4.3 4.5
From 75 to 79 years 3.5 3.2 3.3 3.2 3.1
From 80 to 84 years 3.0 3.0 3.0 3.0 3.0
From 85 to 89 years 1.8 1.9 1.9 2.0 2.0
From 90 to 94 years 0.7 0.8 0.8 0.9 0.9
95 years and more 0.2 0.2 0.2 0.2 0.2
Population by large age groups (%)
Less than 15 years 15.9 16.0 15.9 15.8 15.7
From 15 to 64 years 66.1 65.7 65.6 65.5 65.5
65 years and more 17.9 18.3 18.5 18.6 18.8
Age structure indicators
Ageing index (1) 112.6 114.6 116.0 117.5 119.3
Over-ageing index (2) 15.3 15.7 16.1 16.4 16.7
Child dependency ratio (3) 24.1 24.3 24.3 24.2 24.0
Old age dependency ratio (4) 27.1 27.8 28.1 28.4 28.7
Overall dependency ratio (5) 51.3 52.1 52.4 52.6 52.7
Replacement ratio of the population of active age (6) 118.7 117.3 116.2 115.3 114.3
Ratio of children to women of fertile age (7) 22.8 22.4 21.9 21.4 20.9
Average age of the population 41.8 42.1 42.3 42.4 42.6
Source: Idescat. Population Estimates and Municipal Population Register (1975)
(1) Population of 65 years and above per 100 inhabitants of less than 15 years.
(2) Population of 85 years and above per 100 inhabitants of 65 years and above.
(3) Population of less than 15 years per 100 inhabitants of 15 to 64 years.
(4) Population of 65 years and above per 100 inhabitants of 15 to 64 years.
(5) Population of 65 years and above and less than 15 years per 100 inhabitants of 15 to 64 years.
(6) Population of 60 to 64 years per 100 inhabitants of 15 to 19 years.
(7) Population of 0 to 4 years per 100 women of 15 to 49 years.
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