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Birth Rate

Birth Rate at State Level 1995 - 2022

Using the source files, the birth rate is:

  • calculated by state from 1995 to 2015 by dividing the total number of births by the annual state population * 1000
  • standardized from 2016 to 2022
  • output with 5 columns:
    • fips: fips code of the associated state
    • year: year
    • birth: number of birth
    • pop: population size
    • birth_rate: birth / pop * 1000

The output is available in one CSV file: birth_rate_1995_2022.csv.

The code to generate the file is also available in a birth_rate R Script.

Source Files

All the source files were extracted by using the Centers for Disease Control and Prevention, National Center for Health Statistics. National Vital Statistics System, Natality on CDC WONDER Online Database.

For more information, please consult:

For each source file, the associated citation and notes are available below.

Birth Rate 2016 - 2022 (birth_rate_2016_2022.txt)

Centers for Disease Control and Prevention, National Center for Health Statistics. National Vital Statistics System, Natality on CDC WONDER Online Database. Data are from the Natality Records 2016-2022, as compiled from data provided by the 57 vital statistics jurisdictions through the Vital Statistics Cooperative Program. Accessed at http://wonder.cdc.gov/natality-expanded-current.html on Oct 24, 2023 4:29:43 PM

Caveats:

  1. Each birth record represents one liveborn infant.
  2. Birth rates are calculated as the number of births divided by total population in the given year(s). When the numerator is sub-set by mother's race, mother's hispanicity, location, or year of birth, then the same sub-set for age, race, hispanicity, location and year applies to the denominator population.
  3. Birth rates and fertility rates are calculated using the following populations:
    • The populations for year 2021 are from the postcensal single race series of July 1st estimates of the resident population, released by Census Bureau on June 30, 2022. The 2021 population estimates are based on the Blended Base produced by the US Census Bureau in lieu of the April 1, 2020 decennial population count.
    • The populations for year 2020 are from the postcensal single race series of July 1st estimates of the resident population, released by Census Bureau on July 27, 2021.
    • The populations for year 2019 are from the postcensal single race series of July 1st estimates of the resident population, released by Census Bureau on June 25, 2020;
    • The populations for year 2018 are from the postcensal single race series of July 1st estimates of the resident population, released by Census Bureau on June 21, 2019;
    • The populations for year 2017 are from the postcensal single race series of July 1st estimates of the resident population, released by Census Bureau on June 21, 2018;
    • The populations for year 2016 are from the postcensal single race series of July 1st estimates of the resident population, released by Census Bureau on June 22, 2017.

More information: http://wonder.cdc.gov/wonder/help/Natality-expanded.html#Denominator-Population-Sources.

Natality

Natality, 1995-2002 (natality_1995_2002.txt)

Centers for Disease Control and Prevention, National Center for Health Statistics. National Vital Statistics System, Natality on CDC WONDER Online Database. Data are from the Natality Records 1995-2002, as compiled from data provided by the 57 vital statistics jurisdictions through the Vital Statistics Cooperative Program. Accessed at http://wonder.cdc.gov/natality-v2002.html on Oct 24, 2023 4:34:13 PM

Caveats:

  1. Each birth record represents one liveborn infant.
  2. Data are Suppressed when the data meet the criteria for confidentiality constraints.

More information: [http://wonder.cdc.gov/wonder/help/Natality.html#Assurance of Confidentiality](http://wonder.cdc.gov/wonder/help/Natality.html#Assurance of Confidentiality).

Natality, 2003-2006 (natality_2003_2006.txt)

Centers for Disease Control and Prevention, National Center for Health Statistics. National Vital Statistics System, Natality on CDC WONDER Online Database. Data are from the Natality Records 2003-2006, as compiled from data provided by the 57 vital statistics jurisdictions through the Vital Statistics Cooperative Program. Accessed at http://wonder.cdc.gov/natality-v2006.html on Oct 24, 2023 4:33:14 PM

Caveats:

  1. Each birth record represents one liveborn infant.
  2. Birth rates are calculated as the number of births divided by total population in the given year(s). When the numerator is sub-set by mother's race, location, or year of birth, then the same sub-set for age, race, location and year applies to the denominator population.
  3. Birth rates and fertility rates for years 2003-2006 are calculated using the revised intercensal bridged-race series of July 1st estimates of the resident population, released by NCHS on October 26, 2012.

More information: http://wonder.cdc.gov/wonder/help/Natality.html#Denominator-Population-Sources.

Natality, 2007-2022 (natality_2007_2022.txt)

Centers for Disease Control and Prevention, National Center for Health Statistics. National Vital Statistics System, Natality on CDC WONDER Online Database. Data are from the Natality Records 2007-2022, as compiled from data provided by the 57 vital statistics jurisdictions through the Vital Statistics Cooperative Program. Accessed at http://wonder.cdc.gov/natality-current.html on Oct 24, 2023 4:31:48 PM

Caveats:

  1. 'Not Available' appears when the denominator population for a rate measure is not available.
  2. Each birth record represents one liveborn infant.
  3. Birth rates are calculated as the number of births divided by total population in the given year(s). When the numerator is sub-set by mother's race, mother's hispanicity, location, or year of birth, then the same sub-set for age, race, hispanicity, location and year applies to the denominator population.
  4. Birth rates and fertility rates are calculated using the following populations:
    • The populations for year 2021 are from the postcensal single race series of July 1st estimates of the resident population, released by Census Bureau on June 30, 2022. The 2021 population estimates are based on the Blended Base produced by the US Census Bureau in lieu of the April 1, 2020 decennial population count. Bridged race population figures are not available for year 2021.
    • The populations for year 2020 are from the postcensal single-race series of July 1st estimates of the resident population, released by Census Bureau on July 27, 2021; and the postcensal bridged-race series of July 1st estimates of the resident population, released by NCHS on September 22, 2021 (for fertility rate denominators by detailed age groups).
    • The populations for year 2019 are from the postcensal single-race series of July 1st estimates of the resident population, released by Census Bureau on June 25, 2020; and the postcensal bridged-race series of July 1st estimates of the resident population, released by NCHS on July 9, 2020.
    • The populations for year 2018 are from the postcensal single-race series of July 1st estimates of the resident population, released by Census Bureau on June 21, 2019; and the postcensal bridged-race series of July 1st estimates of the resident population, released by NCHS on June 27, 2019.
    • The populations for year 2017 are from the postcensal single-race series of July 1st estimates of the resident population, released by Census Bureau on June 21, 2018; and the postcensal bridged-race series of July 1st estimates of the resident population, released by NCHS on June 27, 2018.
    • The populations for year 2016 are from the postcensal single-race series of July 1st estimates of the resident population, released by Census Bureau on June 22, 2017; and the postcensal bridged-race series of July 1st estimates of the resident population, released by NCHS on June 26, 2017.
    • The populations for year 2015 are from the postcensal bridged-race series of July 1st estimates of the resident population, released by NCHS on June 28, 2016. The populations for year 2014 are from the postcensal bridged-race series of July 1st estimates of the resident population, released by NCHS on June 30, 2015.
    • The populations for year 2013 are from the postcensal bridged-race series of July 1st estimates of the resident population, released by NCHS on June 26, 2014.
    • The populations for year 2012 are from the postcensal bridged-race series of July 1st estimates of the resident population, released by NCHS on June 13, 2013.
    • The populations for year 2011 are from the postcensal bridged-race series of July 1st estimates of the resident population, released by NCHS on July 18, 2012.
    • The populations for year 2010 are the bridged-race April 1, 2010 Census counts.
    • The populations for years 2007-2009 are from the revised intercensal bridged-race series of July 1st estimates of the resident population, released by NCHS on October 26, 2012.

More information: http://wonder.cdc.gov/wonder/help/Natality.html#Denominator-Population-Sources.