Get survey country population data — survey_country

Looks up the country and year inside a survey, or a provided "countries" value, and determines the corresponding demographics in the world population prospects data using wpp_age().

Usage

survey_country_population(survey, countries = NULL)

Arguments

survey: A survey() object, with column "country" in "participants".
countries: Optional. A character vector of country names. If specified, this will be used instead of the potential "country" column in "participants".

Value

A data table with population data by age group for the survey countries, aggregated by lower age limit. The function will error if no country information is available from either the survey or countries argument.

Examples

survey_country_population(polymod)
#>     lower.age.limit population
#>               <int>      <num>
#>  1:               0   13498647
#>  2:               5   14193543
#>  3:              10   15384855
#>  4:              15   16464604
#>  5:              20   17158735
#>  6:              25   17416147
#>  7:              30   18726407
#>  8:              35   21118833
#>  9:              40   21529102
#> 10:              45   19927357
#> 11:              50   18134701
#> 12:              55   17122402
#> 13:              60   14454988
#> 14:              65   14280416
#> 15:              70   11565417
#> 16:              75    9469420
#> 17:              80    6736784
#> 18:              85    2832127
#> 19:              90    1417066
#> 20:              95     300205
#> 21:             100      28212
#>     lower.age.limit population
survey_country_population(polymod, countries = "Belgium")
#>     lower.age.limit population
#>               <int>      <num>
#>  1:               0     583492
#>  2:               5     593148
#>  3:              10     632157
#>  4:              15     626921
#>  5:              20     649588
#>  6:              25     663176
#>  7:              30     705878
#>  8:              35     773177
#>  9:              40     823305
#> 10:              45     779436
#> 11:              50     710061
#> 12:              55     674177
#> 13:              60     508701
#> 14:              65     496720
#> 15:              70     470384
#> 16:              75     392469
#> 17:              80     291166
#> 18:              85     108599
#> 19:              90      52117
#> 20:              95      11126
#> 21:             100       1087
#>     lower.age.limit population
survey_country_population(polymod, countries = c("Belgium", "Italy"))
#>     lower.age.limit population
#>               <int>      <num>
#>  1:               0    3342241
#>  2:               5    3305938
#>  3:              10    3447403
#>  4:              15    3544397
#>  5:              20    3818506
#>  6:              25    4449760
#>  7:              30    5258993
#>  8:              35    5570182
#>  9:              40    5525281
#> 10:              45    4915874
#> 11:              50    4537519
#> 12:              55    4551877
#> 13:              60    3770551
#> 14:              65    3819156
#> 15:              70    3329171
#> 16:              75    2771930
#> 17:              80    2031237
#> 18:              85     818477
#> 19:              90     445093
#> 20:              95      93168
#> 21:             100       8612
#>     lower.age.limit population