Demography yog kev tshawb fawb txog tib neeg cov pejxeem feem ntau nrog raulawv qhov loj, lawv cov qauv thiab lawv txoj kev loj hlob; nws yuav siv sij hawm mus rau hauv tus account qhov ntau yam ntawm lawv cov yam ntxwv. Ntawm cov demographers.
Demography yog dab tsi?
: txoj kev kawm txog kev hloov pauv (xws li tus naj npawb ntawm kev yug, kev tuag, kev sib yuav, thiab kev mob nkeeg) uas tshwm sim nyob rau lub sijhawm ntawm tib neeg cov neeg kuj: ib pawg ntawm xws li kev hloov.
Dab tsi yog qhov txhais zoo tshaj plaws ntawm pej xeem?
Demography txhais tau tias yog txoj kev tshawb fawb ntawm tib neeg cov pejxeem. … Kev kawm txog cov yam ntxwv ntawm tib neeg, xws li qhov loj me, kev loj hlob, qhov ntom ntom, kev faib tawm, thiab cov txheeb cais tseem ceeb.
piv txwv ntawm pej xeem yog dab tsi?
Demographics yog cov ntaub ntawv txheeb cais uas cov kws tshawb fawb siv los kawm cov pab pawg ntawm tib neeg. … Cov kws tshawb fawb siv kev tshuaj xyuas pej xeem los tshuaj xyuas tag nrho lub zej zog lossis tsuas yog pab pawg neeg xwb. Qee qhov piv txwv ntawm pej xeem yog hnub nyoog, poj niam txiv neej, kev kawm, haiv neeg, haiv neeg, lossis kev ntseeg, rau npe ob peb.
Dab neeg txhais li cas hauv cov lus yooj yim?
Dab tsi yog pej xeem? Kev txheeb xyuas pej xeem yog kev kawm ntawm cov pej xeem raws li yam xws li hnub nyoog, haiv neeg, thiab poj niam txiv neej. Cov ntaub ntawv pej xeem yog hais txog cov ntaub ntawv kev noj qab haus huv uas tau hais tseg, suav nrog kev ua haujlwm, kev kawm, nyiaj tau los, kev sib yuav, tus nqi yug thiab tuag, thiab ntau dua.
