Средний возраст матери при рождении первого ребенка

.. - данные отсутствуют

Источник: Статистическая база данных ЕЭК ООН, сформирована на основе национальных и международных (Евростат и ЮНИСЕФ ТрансМОНЕЕ) официальных источников.

Определение: средний возраст матери при рождении первого ребенка представляет собой средневзвешенный разных детородных возрастов, используя в качестве веса коэффициент рождаемости для рождения первого ребенка.

Общее замечание: данные из регистров, если не указано иное. Албания, Кипр, Мальта, Черногория, Турция и Швеция: данные за 2010 год взяты с «European Demographic Data Sheet 2012» (Wittgenstein Centre).

Страна: Бельгия

Change in definition (1980 - 2000): Data are based on events.

Страна: Канада

- From 2017 onwards: Births data after Y2016 does not cover Yukon territory.
- As a result of delays with birth registrations, fewer births have been captured, to date, for Manitoba in 2021. There were also fewer births captured for Nova Scotia in 2021 due to completeness issues. Other provinces and territories may also have been affected and the 2021 births data will be revised with subsequent releases. Consequently, trends in the fertility rates and total fertility rate should be interpreted with caution.
- 2000 : data refer to 1999.

Страна: Кипр

Data cover only the government controlled area.
Data are based on events and not on fertility rates.
Break in series - 2010: change is source.

Страна: Финляндия

Change in definition (1980): Data refer to children born in marriages.

Страна: Франция

Break in series - 2007: change is source.

Страна: Грузия

From 1995 : data do not cover Abkhazia and South Ossetia (Tshinvali).

Страна: Германия

Break in methodlogy (2009): From 2009 data refer to biological birth order.

Страна: Германия

Change in definition (1980 - 2008): Data refer to children born in marriages. Data are based on events.

Страна: Германия

Territorial change (1980 - 1990): Data cover only West Germany (Federal Republic of Germany).

Страна: Германия

Territorial change (1995 - 2012): Data refer to reunified Germany, i.e. include the ex-German Democratic Republic (East Germany).

Страна: Греция

Before 1991: data were based on the de facto population. From 1991: data are based on the de jure population. Break in time series in 2000. Before 2000 mean age was calculated on the basis of events. From 2000 onwards calculations are based on rates.

Страна: Ирландия

Data are based on events and not on fertility rates. For 2007-2008, data refer to yera of registration and could include data from previous years.

Страна: Ирландия

Data cover the Republic of Ireland only.

Страна: Израиль

Data are based on events and are not a weighted average of the different childbearing ages.

Страна: Италия

Additional information (2000 - 2011): Since 1/1/1999 data by birth order are estimated using resident population registers and sample surveys. Data related to 2002-2011 are calculated using intercensal register population estimates.

Страна: Люксембург

Change in definition (1995 - onwards): Data are based on events

Страна: Мальта

Data refer to the average of the different childbearing ages of first-order births.

Страна: Черногория

Break in series - 2010: change is source.

Страна: Норвегия

Data is calculated based on actual age at first births.

Страна: Португалия

Data are based on events by age groups, using as weights the middle point of each five years age groups, from 15 to 49

Страна: Российская Федерация

From 2000: break in series; estimates based on available data from territories that produce data on birth by order and single ages of mother.

Страна: Сербия

Data do not cover Kosovo and Metohija.

Страна: Швеция

Break in series - 2010: change in source.

Страна: Швейцария

Change in definition (1980 - 2012): Data refer to married women only.

Страна: Соединенное Королевство

Territorial change (2000 - onwards): Data refer to England and Wales.