This thesis primarily make use of the data whole nation and cent province area often - live population which about divided- age population and the data which about cent- age death population before the census date in 12 months on the province area of the fifth census in China in 2000, and draw up the summary life tables of respective province area , on the base of these tablees, crudely analyse thoses difference of the death-level between cent province area often - live population. |