Generally speaking, the population of Japan is going down and the population of the Greater Tokyo area is going up.<p>Once youth hits college or working age, they disproportionately head for the capitol.<p>But then there&#x27;s a small counter current where younger (say, 30&#x27;s) are moving back to their original prefectures as they realize that they might be able to afford a better QoL making less money but also paying much less in expenditures.