No clue about Japanese cities, but if you search for an American city’s population you’ll get the metropolitan population, not the greater city’s population. That’s how, according to Wikipedia, Sydney has a similar population to LA, despite LA having 10x the population density. If you include the suburbs LA is an order of magnitude larger than Sydney.
Similar with any UK city other than London and a few small ones, it makes it easy to spot mapmakers who’ve used the metro/borough population based on whether they include Manchester (borough 550k, metro 2.72M), Birmingham (borough 1.15M, metro 2.59M) on their maps… I’ve also seen some include Liverpool though (looking at you hoi4) when it’s smaller than both in all metrics
No clue about Japanese cities, but if you search for an American city’s population you’ll get the metropolitan population, not the greater city’s population. That’s how, according to Wikipedia, Sydney has a similar population to LA, despite LA having 10x the population density. If you include the suburbs LA is an order of magnitude larger than Sydney.
Similar with any UK city other than London and a few small ones, it makes it easy to spot mapmakers who’ve used the metro/borough population based on whether they include Manchester (borough 550k, metro 2.72M), Birmingham (borough 1.15M, metro 2.59M) on their maps… I’ve also seen some include Liverpool though (looking at you hoi4) when it’s smaller than both in all metrics