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Births and Deaths: Year ended December 2014
Embargoed until 10:45am  –  18 February 2015
Definitions

About births and deaths

Statistics on births and deaths record the number of births and deaths registered in New Zealand each year. The births and deaths information release also includes a range of birth and death rates. These numbers and rates provide information about the structure of New Zealand's population and how it changes over time.

More definitions

Age-specific death rates: deaths per 1,000 mean estimated population in each age group.

Age-specific fertility rates: measure the number of live births 1,000 women in a particular age group have in a given period (usually a year). They are calculated by dividing the number of live births to women in a particular age group by the estimated number of women in that age group and then multiplying by 1,000. Five-year age groups are commonly used to provide a summary of patterns in fertility, independent of the size, sex, and age structure of the population.

Deaths: deaths registered in New Zealand by date of registration.

Estimated de facto population: an estimate of all people present in a given area at a given date. The estimated de facto population of New Zealand includes all people present in New Zealand. Visitors from overseas are included, but New Zealand residents who are temporarily overseas are excluded.

Estimated resident population: an estimate of all people who usually live in a given area at a given date. The estimated resident population of New Zealand includes all residents present in New Zealand. Visitors from overseas are excluded, and New Zealand residents who are temporarily overseas are included.

Live births: live births registered in New Zealand by date of registration.

Net reproduction rate: the average number of daughters that a woman would have during her life if she experienced the age-specific fertility and mortality rates of a given period. A net reproduction rate of one means that a woman would exactly replace herself.

Standardised death rates: the overall death rate that would have prevailed in a standard population if it had experienced the age-specific (usually age-and-sex-specific) death rates of the population or area being studied. In this information release, the age and sex distribution of the mean estimated population for the year ended 31 December 1961 is used to derive standardised death rates.

Glossary of Common Terms has more definitions.  

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