31300431demographicsPT2026-03-30 20:20:41UF31300432demographicNDBT31297994social and economic geography conceptsPTNT31309983land usePTNT31309987labor mobilityPTNT31309992residential mobilityPTNT31309994student mobilityPTNT31309996populationPTNT31309997population changePTNT31309999population densityPTNT31310002settlement patternsPT