urban_agglomerations: Major urban areas worldwide

In spData: Datasets for Spatial Analysis

Major urban areas worldwide

Description

Dataset in a 'long' form from the United Nations population division with projections up to 2050. Includes only the top 30 largest areas by population at 5 year intervals.

Usage

urban_agglomerations

Format

Selected variables:

• year: Year of population estimate

• country_code: Code of country

• urban_agglomeration: Name of the urban agglomeration

• population_millions: Estimated human population

• geometry: sfc_POINT

Examples

if (requireNamespace("sf", quietly = TRUE)) {
  library(sf)
  plot(urban_agglomerations)
}
# Code used to download the data:
## Not run: 
f = "WUP2018-F11b-30_Largest_Cities_in_2018_by_time.xls"
download.file(
  destfile = f,
  url = paste0("https://population.un.org/wup/Download/Files/", f)
 )
library(dplyr)
library(sf)
urban_agglomerations = readxl::read_excel(f, skip = 16) %>%
    st_as_sf(coords = c("Longitude", "Latitude"), crs = 4326)
names(urban_agglomerations)
names(urban_agglomerations) <- gsub(" |\\n", "_", tolower(names(urban_agglomerations)) ) %>% 
        gsub("\\(|\\)", "", .)
names(urban_agglomerations)
urban_agglomerations
usethis::use_data(urban_agglomerations, overwrite = TRUE)
file.remove("WUP2018-F11b-30_Largest_Cities_in_2018_by_time.xls")

## End(Not run)

spData documentation built on Sept. 11, 2024, 5:36 p.m.