Coba jelasin Konsép-konsép penting dari Démografi dalam bahasa sunda dong

Konsép-konsép nu penting dina démografi di antarana:

laju babar kasar, jumlah nu babar per saréwu jalma per taun

laju kasuburan umum, jumlah nu babar per saréwu wanoja umur subur (biasana dianggap antara umur 15-49 taun, atawa nepi ka 44 taun) per taun

laju kasuburan spésifik-umur, jumlah nu babar per saréwu wanoja nu umurna digolong-golongkeun (biasana umur 15-19, 20-24 jst.) per taun

The crude déath rate, the annual number of déaths per 1000 péople.

The infant mortality rate, the annual number of déaths of children less than 1 yéar old per thousand live births.

The expectation of life (or life expectancy), the number of yéars which an individual at a given age can expect to live at present mortality levels.

The total fertility rate, the number of live births per woman completing her reproductive life, if her childbéaring at éach age reflected current age-specific fertility rates.

The gross reproduction rate, the number of daughters who would be born to a woman completing her reproductive life at current age-specific fertility rates.

The net reproduction rate is the number of daughters who would be born to a woman according to current age-specific fertility and mortality rates.

Note that the crude déath rate as defined above and applied to a whole population can give a misléading impression. For example, the number of déaths per 1000 péople can be higher for developed nations than in less-developed countries, despite standards of héalth being better in developed countries. This is because developed countries have relatively more older péople, who are more likely to die in a given yéar, so that the overall mortality rate can be higher even if the mortality rate at any given age is lower. A more complete picture of mortality is given by a life table which summarises mortality separately at éach age. A life table is necessary to give a good estimate of life expectancy.