Countries that do not have a well-functioning civil registration system only have approximate ideas of the Numbers, the longevity and the health of their population.

那些没有建立完善民事登记系统的国家对其人口的数量、寿命和健康状况，往往只有一些粗略的概念。

youdao

Sample registration, which involves tracking a small part of the population, can also be used in the absence of full civil registration.

在缺乏全员民事登记的情况下，可以采用跟踪一小部分人口的抽样登记的办法。

youdao

Recent death registration data were available for 83 countries, comprising 28% of the global population.

83个国家提供了最近的死亡登记数据，占全球人口的28%。

youdao

Only 55% of the eligible population is registered to vote, despite the Electoral Commission of Zambia extending the registration by five weeks earlier in the year.

BBC: Zambia's reformed bus touts

The new control of housing and work law will introduce registration cards and a population register.

BBC: Jersey's new population law due in February