Japan administrative division with aggregated population. Built from [Kontur Population: Global Population Density for 400m H3 Hexagons](https://data.humdata.org/dataset/kontur-population-dataset) on top of [OpenStreetMap](https://www.openstreetmap.org) administrative boundaries data. Enriched with HASC codes for regions taken from Wikidata. Global version of boundaries dataset: [Kontur Boundaries: Global administrative division with aggregated population](https://data.humdata.org/dataset/kontur-boundaries)