Resize Indonesia’s provinces by land area, population and economy to compare their shares of the country.
Java accounts for 7% of Indonesia’s land, 56% of its population and roughly 56% of its economy. A geographic map makes the land comparison clear, but says little about the other two.
This cartogram turns each province into a circle sized by its share of land, people or economy. Switch between the measures to compare them, or return to the map.
In the population view, West Java has 48 million people, East Java 41 million and Central Java 37 million. Papua occupies a much smaller share than it does on the land map.
In the economy view, Jakarta becomes the largest circle, at an estimated Rp 3,400 trillion. Riau and East Kalimantan also take larger shares than their populations alone would suggest.
The land view is closest to the geographic map. Under these older boundaries, Papua accounts for 17% of the total; no other province exceeds 8%.
The circles have the same combined area in all three views. A 10% share of population therefore occupies the same space as a 10% share of land.
The bars below group the same totals by island. Sumatra has around a quarter of the land and a fifth of both population and economy. Kalimantan and Papua together have about half the land and 8% of the population.
The boundaries and figures use the 34-province scheme from before Papua’s 2022 split. The two Papuan provinces shown here now comprise six.
Population comes from the 2020 census. Economic totals are estimated by multiplying that population by BPS’s 2022–23 GRDP-per-capita figures. They are approximate, rather than the published regional GDP totals.
The circles start at province centres and move apart to avoid overlap. Their positions preserve the broad geography, but lose exact locations and boundaries.
Each province’s largest landmass is sampled at 140 points. Those points transition to 140 points around a circle, while smaller islands fade out. Matching the direction and starting point of the two outlines prevents twisting during the transition.
d3.forceSimulation positions the circles near their province centres with a collision
force to prevent overlap. Each layout is calculated once and cached. The map uses d3.geoMercator, with one SVG path per province.
The province file is the one behind Nine BPS indicators, one grid of choropleths: GADM 4.1 boundaries dissolved to province level, with population, area and GRDP per capita attached from BPS Statistik Indonesia 2024.