One row per country with the facts people constantly need and currently
scrape together by hand.
A tibble with one row per country and columns including iso3c,
iso2c, country, continent, region, un_region, capital,
capital_lat, capital_lon, centroid_lat, centroid_lon, area_km2,
currency, tld, landlocked, flag.
Source
Assembled from countrycode, WDI metadata and Natural
Earth geometry.