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Origin-destination migration flows between 2012 and 2020 based on first level administrative regions.

Usage

korea_gravity

Format

Data frame with 2,601 rows and 20 columns:

orig

Origin region

dest

Destination region

year

Year of flow

flow

Migration flow. Data obtained from KOSIS

dist_cent

Distance (in km) between geographic centroids, calculated from geosphere::distm()

dist_min

Minimum distance (in km) between regions, calculated from sf::st_distance()

dist_pw

Distance (in km) between population weighted centroids, calculated from geosphere::distm() using WorldPop estimates of 2020 regional population centroids

contig

Indicate if regions share a border

orig_pop

Population (in millions) of origin region. Data obtained from KOSIS.

dest_pop

Population (in millions) of destination region. Data obtained from KOSIS.

orig_area

Geographic area (in km^2) of origin region, calculated from sf::st_area()

dest_area

Geographic area (in km^2) of destination region, calculated from sf::st_area()

orig_gdp_pc

GDP per capita of origin region. Data obtained from KOSIS.

orig_ginc_pc

Gross regional income per capita of origin region. Data obtained from KOSIS.

orig_iinc_pc

Individual income per capita of origin region. Data obtained from KOSIS.

orig_pconsum_pc

Personal consumption per capita of origin region. Data obtained from KOSIS.

dest_gdp_pc

GDP per capita of destination region. Data obtained from KOSIS.

dest_ginc_pc

Gross regional income per capita of destination region. Data obtained from KOSIS.

dest_iinc_pc

Individual income per capita of destination region. Data obtained from KOSIS.

dest_pconsum_pc

Personal consumption per capita of destination region. Data obtained from KOSIS.

Source

Statistics Korea, Internal Migration Statistics. Data downloaded from https://kosis.kr/eng in July 2021.

Robin Edwards, Maksym Bondarenko, Andrew J. Tatem and Alessandro Sorichetta. Unconstrained subnational Population Weighted Density in 2000, 2005, 2010, 2015 and 2020 ( 100m resolution ). WorldPop, University of Southampton, UK.

Source: Statistics Korea, Population Statistics Based on Resident Registration. Data downloaded from https://kosis.kr/eng in July 2021.

Source: Statistics Korea, Regional GDP, Gross regional income and Individual income. Data downloaded from https://kosis.kr/eng in November 2023.

Examples

korea_gravity
#> # A tibble: 2,601 × 20
#>    orig  dest    year   flow dist_cent dist_min dist_pw contig orig_pop dest_pop
#>    <chr> <chr>  <int>  <int>     <dbl>    <dbl>   <dbl> <lgl>     <dbl>    <dbl>
#>  1 Seoul Seoul   2012 1.07e6       0        0       0   TRUE       10.2   10.2  
#>  2 Seoul Busan   2012 2.14e4     319.     294.    324.  FALSE      10.2    3.54 
#>  3 Seoul Daegu   2012 1.38e4     241.     209.    236.  FALSE      10.2    2.51 
#>  4 Seoul Inche…  2012 3.22e4      44.1      0      25.0 TRUE       10.2    2.84 
#>  5 Seoul Gwang…  2012 1.18e4     266.     244.    265.  FALSE      10.2    1.47 
#>  6 Seoul Daeje…  2012 1.46e4     139.     109.    138.  FALSE      10.2    1.52 
#>  7 Seoul Ulsan   2012 6.80e3     300.     263.    307.  FALSE      10.2    1.15 
#>  8 Seoul Sejong  2012 1.02e3     112.      79.6   117.  FALSE      10.2    0.113
#>  9 Seoul Gyeon…  2012 2.54e5      17.9      0      13.2 TRUE       10.2   12.1  
#> 10 Seoul Gangw…  2012 2.13e4     116.      34.3   113.  FALSE      10.2    1.54 
#> # ℹ 2,591 more rows
#> # ℹ 10 more variables: orig_area <units>, dest_area <units>, orig_gdp_pc <dbl>,
#> #   orig_ginc_pc <dbl>, orig_iinc_pc <dbl>, orig_pconsum_pc <dbl>,
#> #   dest_gdp_pc <dbl>, dest_ginc_pc <dbl>, dest_iinc_pc <dbl>,
#> #   dest_pconsum_pc <dbl>