Editing Birth rate (section)

{{Short description|Total number of live births per 1,000 divided by time period}}
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[[File:Crude Birth Rate Map by Country.svg|thumb|400px|Countries by birth rate]]

'''Birth rate''', also known as '''natality''', is the total number of live [[childbirth|human births]] per 1,000 population for a given period divided by the length of the period in years.<ref>{{Cite web |title=Definitions and Notes - The World Factbook |url=https://www.cia.gov/the-world-factbook/references/definitions-and-notes/ |access-date=2023-04-05 |website=www.cia.gov}}</ref> The number of live births is normally taken from a universal registration system for births; population counts from a [[census]], and estimation through specialized [[Demographics|demographic]] techniques such as population pyramids.{{clarify|date=October 2019}} The birth rate (along with [[mortality rate|mortality]] and [[human migration|migration]] rates) is used to calculate [[population growth]]. The estimated average population may be taken as the mid-year population.<ref>{{cite web |url=http://econ.worldbank.org/WBSITE/EXTERNAL/DATASTATISTICS/0,,contentMDK:20451597~pagePK:64133150~piPK:64133175~theSitePK:239419,00.html |title=Data - Population and Demographic Indicators |website=econ.worldbank.org |access-date=2017-02-26 |archive-url=https://web.archive.org/web/20170227062555/http://econ.worldbank.org/WBSITE/EXTERNAL/DATASTATISTICS/0,,contentMDK:20451597~pagePK:64133150~piPK:64133175~theSitePK:239419,00.html |archive-date=27 February 2017 |url-status=dead}}</ref><ref>See "[[Fertility rates]]"; Economic Geography Glossary at University of Washington</ref>

When the [[crude death rate]] is subtracted from the crude birth rate (CBR), the result is the [[rate of natural increase]] (RNI).<ref name="worldbank1">{{cite web |url=http://data.worldbank.org/indicator/SP.DYN.CBRT.IN |title=Birth rate, crude (per 1,000 people) &#124; Data &#124; Table |publisher=Data.worldbank.org |access-date=17 October 2011}}</ref> This is equal to the rate of population change (excluding migration).<ref name="worldbank1" />

The total (crude) birth rate (which includes all births)—typically indicated as births per 1,000 population—is distinguished from a set of age-specific rates (the number of births per 1,000 persons, or more usually 1,000 females, in each age group).<ref>{{cite web|url=http://www.answers.com/topic/birth-rate |title=birthrate: Definition from |publisher=Answers.com |access-date=17 October 2011}}</ref> The first known use of the term "birth rate" in English was in 1856.<ref>{{Cite web |title=Definition of Birthrate |url=https://www.merriam-webster.com/dictionary/birthrate |access-date=2023-04-05 |website=www.merriam-webster.com |language=en}}</ref>

{| class="wikitable" style="float:right; margin:0.5em 0 0.5em 1em; text-align:left; clear:both"
|+World historical and projected crude birth rates (1950–2050) <br><small>UN, medium variant, 2019 rev.</small><ref>{{cite web |url=http://data.un.org/Data.aspx?q=world+population&d=PopDiv&f=variableID%3A53%3BcrID%3A900 |title=UNdata: Crude birth rate (per 1,000 population) |date=17 June 2019 |website=UNdata |publisher=United Nations |access-date=29 January 2020}}</ref>
|-
!Years!!CBR!!Years!!CBR
|-
|1950–1955|| align="center" |36.9||2000–2005|| align="center" |21.0
|-
||1955–1960|| align="center" |35.4||2005–2010|| align="center" |20.3
|-
||1960–1965|| align="center" |35.2||2010–2015|| align="center" |19.5
|-
||1965–1970|| align="center" |34.0||2015–2020|| align="center" |18.5
|-
||1970–1975|| align="center" |31.4||2020–2025|| align="center" |17.5
|-
||1975–1980|| align="center" |28.5||2025–2030|| align="center" |16.6
|-
||1980–1985|| align="center" |27.7||2030–2035|| align="center" |16.0
|-
||1985–1990|| align="center" |27.4||2035–2040|| align="center" |15.5
|-
||1990–1995|| align="center" |24.2||2040–2045|| align="center" |15.0
|-
||1995–2000|| align="center" |22.2||2045–2050|| align="center" |14.6
|}

The average global birth rate was 17 births per 1,000 total population in 2024. The death rate was 7.9 per 1,000.<ref name="Staff 2024">{{cite web |date=2024 |url = https://www.cia.gov/the-world-factbook/countries/world/#people-and-society |title=CIA World Factbook.}}</ref> The RNI was thus 0.91 percent.
In 2012, the average global birth rate was 19.611 per 1,000 according to the World Bank<ref>{{cite web |url=http://data.worldbank.org/indicator/SP.DYN.CBRT.IN?end=2014&start=1976 |title=Birth rate, crude (per 1,000 people) &#124; Data |website=Data.worldbank.org |access-date=2017-03-11}}</ref> and 19.15 births per 1,000 total population according to the CIA,<ref>{{cite web |title=FIELD LISTING :: BIRTH RATE |url=https://www.cia.gov/library/publications/the-world-factbook/fields/2054.html |work=Central Intelligence Agency - The World Factbook |publisher=Central Intelligence Agency |access-date=4 June 2012 |author=Staff |year=2012 |url-status=dead |archive-url=https://web.archive.org/web/20071211213638/https://www.cia.gov/library/publications/the-world-factbook/fields/2054.html |archive-date=11 December 2007 |df=dmy }}</ref> compared to 20.09 per 1,000 total population in 2007.<ref>{{cite web|title=FIELD LISTING - BIRTH RATE |url=https://www.cia.gov/library/publications/the-world-factbook/fields/2054.html |work=Central Intelligence Agency - The World Factbook |publisher=Central Intelligence Agency |access-date=1 November 2012 |author=Staff |date=6 Dec 2007 |url-status=dead |archive-url=https://web.archive.org/web/20071211213638/https://www.cia.gov/library/publications/the-world-factbook/fields/2054.html |archive-date=11 December 2007 }}</ref>

The 2024 average of 17 births per 1,000 total population equates to approximately 4.3 births per second or about 260 births per minute for the world. On average, two people in the world die every second or about 121 per minute.<ref name="Staff 2024" />