Definition of table data (see notes after table for additional information):

• Live births includes data from the Centers for Disease Control and from state health departments.
• Abortions, reported includes data from the Centers for Disease Control and from state health departments.
• Abortions includes estimates from Alan Guttmacher Institute surveys.
• Abortions, merged combines official reported data and Guttmacher figures with the compiler's estimates (provisional).
• Fetal deaths generally includes fetal deaths or stillbirths of at least 20 weeks` gestation.
• Abortion ratio is abortions per 1000 live births.
• Abortion % is abortions as percentage of pregnancies (excluding fetal deaths/miscarriages).
• Abortion rate is abortions per 1000 women ages 15-44.
• Abortion %, merged is abortions as percentage of pregnancies, using the abortions, merged figures (provisional).
• Abortion rate, merged is abortion per 1000 women ages 15-44, using the abortions, merged figures (provisional).

Arkansas county level data also available: abortions and live births and abortion percentages with state map.

Notes:

• For most states, CDC/state data is incomplete.
• Parenthetical figures are estimates, some of which are derived from reported data.
• Abortion ratios, percentages, and rates may be based on a mix of CDC/state and AGI data and thus may not represent a consistent time series.

Sources:

• Alan Guttmacher Institute, Jan. 2008, "State facts about abortion," AGI, on line [http://www.guttmacher.org/statecenter/sfaa.html].
• Binkin, Nancy J., Pamela R. H. Lang, Elaine P. Rhodenhiser, Carol R. Hogue, H. Trent MacKay, Stuart M. Berman, James W. Buehler, and Jack C. Smith, 1983, "Abortion Surveillance, 1981," MMWR Surveillance Summaries, 33(SS-3):1-8.
• Center for Disease Control, April 1976, Abortion Surveillance 1974, Center for Disease Control (Atlanta, GA).
• Center for Disease Control, April 1977, Abortion Surveillance 1975, Center for Disease Control (Atlanta, GA).
• Center for Disease Control, Aug. 1978, Abortion Surveillance 1976, Center for Disease Control (Atlanta, GA).
• Center for Disease Control, Sept. 1979, Abortion Surveillance 1977, Center for Disease Control (Atlanta, GA).
• Center for Health Statistics, 10 June 2010, "Induced abortions 2009," Arkansas Department of Health and Human Services, on line [http://www.healthy.arkansas.gov/programsServices/healthStatistics/Documents/abortion/InducedAbortions09.pdf].
• Center for Health Statistics, 13 June 2002, "Induced abortions by specific state of residence, Arkansas occurrences--2001," Arkansas Department of Health and Human Services, on line [http://www.healthyarkansas.com/stats/inducedabortion_2001/specstate.htm].
• Center for Health Statistics, 15 Oct. 2008, "Induced abortions by state of residence, Arkansas occurrences--2007," Arkansas Department of Health and Human Services, on line [http://www.healthyarkansas.com/stats/inducedabortion_2007/induced_abortions_by_specific_state_of_residence.html].
• Center for Health Statistics, 1995, "Induced abortions by county of residence, race and age of female, all races, Arkansas 1994," Arkansas Department of Health and Human Services, on line [http://www.healthyarkansas.com/stats/hs1994/33.HTM].
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• Center for Health Statistics, 2001, "Induced abortions by age and hispanic origin, Arkansas occurrences--2000," Arkansas Department of Health and Human Services, on line [http://www.healthyarkansas.com/stats/inducedabortion_2000/agehisp.htm].
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• Center for Health Statistics, 25 Jan. 2010, "Induced abortions by state of residence, Arkansas occurrences--2008," Arkansas Department of Health and Human Services, on line [http://www.healthy.arkansas.gov/stats/inducedabortion_2008/induced_abortions_by_specific_state_of_residence.html].
• Center for Health Statistics, 29 Aug. 2007, "Induced abortions by state of residence, Arkansas occurrences--2006," Arkansas Department of Health and Human Services, on line [http://www.healthyarkansas.com/stats/inducedabortion_2006/induced_abortions_by_specific_state_of_residence.html].
• Center for Health Statistics, 31 May 2005, "Induced abortions by state of residence, Arkansas occurrences--2004," Arkansas Department of Health and Human Services, on line [http://www.healthyarkansas.com/stats/inducedabortion_2004/induced_abortions_specific_state_residence.htm].
• Center for Health Statistics, 4 June 2003, "Induced abortions by age and hispanic origin, Arkansas occurrences--2002," Arkansas Department of Health and Human Services, on line [http://www.healthyarkansas.com/stats/inducedabortion_2002/induced_abortions_age_hispanic_origin.htm].
• Center for Health Statistics, 4 June 2003, "Induced abortions by specific state of residence, Arkansas occurrences--2002," Arkansas Department of Health and Human Services, on line [http://www.healthyarkansas.com/stats/inducedabortion_2002/induced_abortions_specific_state_residence.htm].
• Center for Health Statistics, 9 Nov. 2004, "Induced abortions by state of residence, Arkansas occurrences--2003," Arkansas Department of Health and Human Services, on line [http://www.healthyarkansas.com/stats/inducedabortion_2003/induced_abortions_specific_state_residence.htm].
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• Finer, Lawrence B., and Kathryn Kost, June 2011, "Unintended pregnancy rates at the state level," Perspectives on Sexual and Reproductive Health, 43(2):78-87, on line at AGI [http://www.guttmacher.org/pubs/journals/4307811.pdf].
• Forrest, Jacqueline Darroch, Christopher Tietze, and Ellen Sullivan, Sept./Oct. 1978, "Abortion in the United States, 1976-1977," Family Planning Perspectives, 10:271-279.
• Forrest, Jacqueline Darroch, Ellen Sullivan, and Christopher Tietze, Nov./Dec. 1979, "Abortion in the United States, 1977-1978," Family Planning Perspectives 11:329-341.
• Gamble, Sonya B., Lilo T. Strauss, Wilda Y. Parker, Douglas A. Cook, Suzanne B. Zane, and Saeed Hamdan, 28 Nov. 2008, "Abortion Surveillance--United States, 2005," MMWR Surveillance Summaries, 57(SS-13), on line at Centers for Disease Control [http://www.cdc.gov/mmwr/PDF/ss/ss5713.pdf].
• Guttmacher Institute, 2012, "State data center," Guttmacher Institute, on line [http://www.guttmacher.org/datacenter/].
• Hamilton, Brady E., Joyce A. Martin, and Stephanie J. Ventura, 5 Dec. 2007, "Births: Preliminary data for 2006," National Vital Statistics Reports, 56(7), on line at Centers for Disease Control [http://www.cdc.gov/nchs/data/nvsr/nvsr56/nvsr56_07.pdf].
• Henshaw, Stanley K., and Kathryn Kost, Aug. 2008, "Trends in the characteristics of women obtaining abortions, 1974 to 2004," Alan Guttmacher Institute, on line [http://www.guttmacher.org/pubs/2008/09/18/Report_Trends_Women_Obtaining_Abortions.pdf].
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• Henshaw, Stanley, Jacqueline Darroch Forrest, Ellen Sullivan, and Christopher Tietze, Jan./Feb. 1981, "Abortion in the United States, 1978-1979," Family Planning Perspectives, 13(1):6+.
• Henshaw, Stanley, Jacqueline Darroch Forrest, Ellen Sullivan, and Christopher Tietze, Jan./Feb. 1982, "Abortion Services in the United States, 1979 and 1980," Family Planning Perspectives, 14(1):5+.
• Herndon, Joy, Lilo T. Strauss, Sara Whitehead, Wilda Y. Parker, Linda Bartlett, and Suzanne Zane, 7 June 2002, "Abortion surveillance--United States, 1998," MMWR Surveillance Summaries, 51(3), on line at Centers for Disease Control [http://www.cdc.gov/mmwr/PDF/ss/ss5103.pdf].
• Johnston, Wm. Robert, Feb. 2007, "Interstate abortions by state of residence and state of occurrence," working paper.
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• Kochanek, Kenneth D., 28 April 1989, "Induced terminations of pregnancy: reporting states, 1985 and 1986," Monthly Vital Statistics Report Supplement, 37(12), on line at Centers for Disease Control [http://www.cdc.gov/nchs/data/mvsr/supp/mv37_12s.pdf].
• Kochanek, Kenneth D., 30 April 1991, "Induced terminations of pregnancy: reporting states, 1988," Monthly Vital Statistics Report Supplement, 39(12), on line at Centers for Disease Control [http://www.cdc.gov/nchs/data/mvsr/supp/mv39_12s.pdf].
• Kochanek, Kenneth D., 5 Jan. 1990, "Induced terminations of pregnancy: reporting states, 1987," Monthly Vital Statistics Report Supplement, 38(9), on line at Centers for Disease Control [http://www.cdc.gov/nchs/data/mvsr/supp/mv38_09s.pdf].
• Koonin, Lisa M., Hani K. Atrash, Jack C. Smith, and Merrell Ramick, 1 June 1990, "Abortion Surveillance, United States, 1986-1987," MMWR Surveillance Summaries, 39(2), summary on line at Centers for Disease Control [http://www.cdc.gov/mmwr/preview/mmwrhtml/00001668.htm].
• Koonin, Lisa M., Jack C. Smith, and Merrell Ramick, 17 Dec. 1993, "Abortion Surveillance--United States, 1990," MMWR Surveillance Summaries, 42(SS-6):29-57, on line at Centers for Disease Control [http://www.cdc.gov/mmwr/PDF/ss/ss4206.pdf].
• Koonin, Lisa M., Jack C. Smith, and Merrell Ramick, 5 May 1995, "Abortion Surveillance--United States, 1991," MMWR Surveillance Summaries, 44(SS-2):23-53, on line at Centers for Disease Control [http://www.cdc.gov/mmwr/PDF/ss/ss4402.pdf].
• Koonin, Lisa M., Jack C. Smith, Merrell Ramick, and Clarice A. Green, 3 May 1996, "Abortion Surveillance--United States, 1992," MMWR Surveillance Summaries, 45(SS-3):1-36, on line at Centers for Disease Control [http://www.cdc.gov/mmwr/PDF/ss/ss4503.pdf].
• Koonin, Lisa M., Jack C. Smith, Merrell Ramick, and Herschel W. Lawson, 4 Sept. 1992, "Abortion Surveillance--United States, 1989," MMWR Surveillance Summaries, 41(5):1-33.
• Koonin, Lisa M., Jack C. Smith, Merrell Ramick, and Lilo T. Strauss, 3 July 1998, "Abortion Surveillance, United States--1995," MMWR Surveillance Summaries, 47(SS-2):31-68, on line at Centers for Disease Control [http://www.cdc.gov/mmwr/PDF/ss/ss4702.pdf].
• Koonin, Lisa M., Jack C. Smith, Merrell Ramick, Lilo T. Strauss, and Frederick W. Hopkins, 8 Aug. 1997, "Abortion Surveillance, United States--1993 and 1994," MMWR Surveillance Summaries, 46(SS-4):37-98, on line at Centers for Disease Control [http://www.cdc.gov/mmwr/PDF/ss/ss4604.pdf].
• Koonin, Lisa M., Kenneth D. Kochanek, Jack C. Smith, and Merrell Ramick, Jul 1991, "Abortion Surveillance, United States, 1988," MMWR Surveillance Summaries, 40(SS-1):15-42.
• Koonin, Lisa M., Lilo T. Strauss, Camaryn E. Chrisman, and Wilda Y. Parker, 8 Dec. 2000, "Abortion Surveillance--United States, 1997," MMWR Surveillance Summaries, 49(SS-11):1-43, on line at Centers for Disease Control [http://www.cdc.gov/mmwr/PDF/ss/ss4911.pdf].
• Koonin, Lisa M., Lilo T. Strauss, Camaryn E. Chrisman, Myra A. Montalbano, Linda A. Bartlett, and Jack C. Smith, 30 July 1999, "Abortion Surveillance--United States, 1996," MMWR Surveillance Summaries, 48(SS-4):1-42, on line at Centers for Disease Control [http://www.cdc.gov/mmwr/PDF/ss/ss4804.pdf].
• Lawson, Herschel W., Hani K. Atrash, Audrey F. Saftlas, Lisa M. Koonin, Merrell Ramick, and Jack C. Smith, 1 Sept. 1989, "Abortion Surveillance, United States, 1984-1985," Monthly Vital Statistics Report, 38(2), summary on line at Centers for Disease Control [http://www.cdc.gov/mmwr/preview/mmwrhtml/00001467.htm].
• MacDorman, Marian F., Donna L. Hoyert, Joyce A. Martin, Martha L. Munson, and Brady E. Hamilton, 21 Feb. 2007, "Fetal and perinatal mortality, United States, 2003," National Vital Statistics Reports, 55(6), on line at Centers for Disease Control [http://www.cdc.gov/nchs/data/nvsr/nvsr55/nvsr55_06.pdf].
• MacDorman, Marian F., Martha L. Munson, and Sharon Kirmeyer, 11 Oct. 2007, "Fetal and perinatal mortality, United States, 2004," National Vital Statistics Reports, 56(3), on line at Centers for Disease Control [http://www.cdc.gov/nchs/data/nvsr/nvsr56/nvsr56_03.pdf].
• Martin, Joyce A., Brady E. Hamilton, Paul D. Sutton, Stephanie J. Ventura, Fay Menacker, and Martha L. Munson, 8 Sept. 2005, "Births: final data for 2003," National Vital Statistics Reports, 54(2), on line at Centers for Disease Control [http://www.cdc.gov/nchs/data/nvsr/nvsr54/nvsr54_02.pdf].
• Martin, Joyce A., Brady E. Hamilton, Paul D. Sutton, Stephanie J. Ventura, Fay Menacker, and Sharon Kirmeyer, 29 Sept. 2006, "Births: final data for 2004," National Vital Statistics Reports, 55(1), on line at Centers for Disease Control [http://www.cdc.gov/nchs/data/nvsr/nvsr55/nvsr55_01.pdf].
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• National Center for Health Statistics, 12 Dec. 1977, "Annual summary for the United States, 1976," Monthly Vital Statistics Report, 25(13), on line at Centers for Disease Control [http://www.cdc.gov/nchs/data/mvsr/supp/mv25_13.pdf].
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• National Center for Health Statistics, 19 Sept. 1986, "Annual summary of births, marriages, divorces, and deaths: United States, 1985," Monthly Vital Statistics Report, 34(13), on line at Centers for Disease Control [http://www.cdc.gov/nchs/data/mvsr/supp/mv34_13.pdf].
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• Tietze, Christopher, 1976, "Incidence of legal abortion," in Liberalization of Abortion Laws: Implications, ed. by Abdel R. Omran, Carolina Population Center (Chapel Hill, NC), pp. 1-17.
• Ventura, Stephanie J., Joyce A. Martin, Sally C. Curtin, and T. J. Mathews, 29 April 1999, "Births: final data for 1997," National Vital Statistics Reports, 47(18), on line at Centers for Disease Control [http://www.cdc.gov/nchs/data/nvsr/nvsr47/nvs47_18.pdf].
• Ventura, Stephanie J., Joyce A. Martin, Sally C. Curtin, Fay Menacker, and Brady E. Hamilton, 17 April 2001, "Births: Final Data for 1999," National Vital Statistics Reports, 49(1), on line at Centers for Disease Control [http://www.cdc.gov/nchs/data/nvsr/nvsr49/nvsr49_01.pdf].
• Ventura, Stephanie J., Joyce A. Martin, Sally C. Curtin, T. J. Mathews, and Melissa M. Park, 28 March 2000, "Births: final data for 1998," National Vital Statistics Reports, 48(3), on line at Centers for Disease Control [http://www.cdc.gov/nchs/data/nvsr/nvsr48/nvs48_03.pdf].
• Hamilton, Brady E., Joyce A. Martin, Michelle J. K. Osterman, and Sally C. Curtin, 29 May 2014, "Births: Preliminary data for 2013," National Vital Statistics Reports, 63(2), on line at CDC [http://www.cdc.gov/nchs/data/nvsr/nvsr62/nvsr62_03.pdf].
• Centers for Disease Control, 2013, "Provisional number of live births and deaths: Each state and Puerto Rico, December 2011 and 2012, and cumulative figures, 2010-2012," CDC, on line [http://www.cdc.gov/nchs/data/dvs/provisional_tables/Provisional_Table02_2012Dec.pdf].
• Pazol, Karen, Andreea A. Creanga, Kim D. Burley, and Denise J. Jamison, 28 Nov. 2014, "Abortion surveillance--United States, 2011," Morbidity and Mortality Weekly Report, 62(11):1-41, on line at CDC [http://www.cdc.gov/mmwr/pdf/ss/ss6311.pdf].
• Center for Health Statistics, 2015, "Induced abortion data--Act 353, 2014: PPF," Arkansas Department of Health and Human Services, on line [http://www.healthy.arkansas.gov/programsServices/healthStatistics/Documents/abortion/2014PPF.pdf].
• Hamilton, Brady E., Joyce A. Martin, Michelle J. K. Osterman, and Sally C. Curtin, 17 June 2015, “Births: Preliminary data for 2014,” NVSR, 64(6), on line at CDC [http://www.cdc.gov/nchs/data/nvsr/nvsr64/nvsr64_06.pdf].
• Pazol, Karen, Andreea A. Creanga, and Denise J. Jamison, 27 Nov. 2015, "Abortion surveillance--United States, 2012," Morbidity and Mortality Weekly Report, 64(10):1-40, on line at CDC [http://www.cdc.gov/mmwr/pdf/ss/ss6410.pdf].
• Hamilton, Brady E., Joyce A. Martin, Michelle J. K. Osterman, Sally C. Curtin, and T. J. Mathews, 23 Dec. 2016, "Births: Final data for 2014," NVSR, 64(12), on line at CDC [https://www.cdc.gov/nchs/data/nvsr/nvsr64/nvsr64_12.pdf].
• Johnston, Wm. Robert, 2017, "United States: Compiled and estimated abortion figures, 2012-2015," AWR Working Paper 13.
• Jones, Rachel K., and Jenna Jerman, March 2017, "Abortion incidence and service availability in the United States, 2014," Perspectives on Sexual and Reproductive Health, 49(1).
• Martin, Joyce A., Brady E. Hamilton, Michelle J. K. Osterman, Anne K. Driscoll, and T. J. Mathews, 5 Jan. 2017, "Births: Final data for 2015," NVSR, 66(1), on line at CDC [https://www.cdc.gov/nchs/data/nvsr/nvsr66/nvsr66_01.pdf].
• Martin, Joyce A., Brady E. Hamilton, Michelle J. K. Osterman, Anne K. Driscoll, and Patrick Drake, 31 Jan. 2018, "Births: Final data for 2016," NVSR, 67(1), on line at CDC [https://www.cdc.gov/nchs/data/nvsr/nvsr67/nvsr67_01.pdf].
• Jatlaoui, Tara C., Jill Shah, Michele G. Mandel, Jamie W. Krashin, Danielle B. Suchdev, Denise J. Jamieson, and Karen Pazol, 24 Nov. 2017, "Abortion surveillance--United States, 2014," Morbidity and Mortality Weekly Report, 66(24):1-44, on line at CDC [http://www.cdc.gov/mmwr/volumes/66/ss/pdfs/ss6624-H.PDF].
• U.S. Census Bureau, June 2017, "Annual Estimates of the Resident Population by Single Year of Age and Sex for the United States, States, and Puerto Rico Commonwealth: April 1, 2010 to July 1, 2016," United States Census Bureau, on line [https://factfinder.census.gov/faces/tableservices/jsf/pages/productview.xhtml?pid=PEP_2016_PEPALL5N&prodType=table].
• Jatlaoui, Tara C., Maegan E. Boutot, Michele G. Mandel, Maura K. Whiteman, Angeline Ti, Emily Petersen, and Karen Pazol, 23 Nov. 2018, "Abortion surveillance—United States, 2015," Morbidity and Mortality Weekly Report, 67(13):1-48, on line at Centers for Disease Control [http://www.cdc.gov/mmwr/volumes/67/ss/pdfs/ss6713a1-H.PDF].
• CDC, Nov. 2019, "Abortions distributed by state of maternal residence and state of clinical service, 2009-2016," Centers for Disease Control, on line [https://www.cdc.gov/reproductivehealth/data_stats/excel/Abortions-Distributed-by-State-2009-2016.xls].
• CDC Wonder, Nov. 2019, "Fetal deaths, 2005-2017 request," on line, CDC [https://wonder.cdc.gov/fetal-deaths-current.html].
• Jatlaoui, Tara C., Lindsay Eckhaus, Michele G. Mandel, Antoinette Nguyen, Titilope Oduyebo, Emily Petersen, and Maura K. Whiteman, 29 Nov. 2019, "Abortion surveillance—United States, 2016," MMWR Surveillance Summaries, 68(11):1-41, on line at Centers for Disease Control [https://www.cdc.gov/mmwr/volumes/68/ss/pdfs/ss6811a1-H.pdf].
• Johnston, Wm. Robert, Dec. 2019, "United States: State-level abortion estimates, 1967-2018," AWR Working Paper 33, forthcoming.
• Jones, Rachel K., Elizabeth Witwer, and Jenna Jerman, Sept. 2019, "Abortion incidence and service availability in the United States, 2017," Guttmacher Institute, on line [https://www.guttmacher.org/sites/default/files/report_pdf/abortion-incidence-service-availability-us-2017.pdf].
• Martin, Joyce A., Brady E. Hamilton, Michelle J. K. Osterman, Anne K. Driscoll, and Patrick Drake, 7 Nov. 2018, "Births: Final data for 2017," NVSR, 67(8):1-49, on line at Centers for Disease Control [https://www.cdc.gov/nchs/data/nvsr/nvsr67/nvsr67_08-508.pdf].
• Martin, Joyce A., Brady E. Hamilton, Michelle J. K. Osterman, and Anne K. Driscoll, 27 Nov. 2019, "Births: Final data for 2018," NVSR, 68(13):1-46, on line at Centers for Disease Control [https://www.cdc.gov/nchs/data/nvsr/nvsr68/nvsr68_13-508.pdf].
• Hamilton, Brady E., Joyce A. Martin, and Michelle J. K. Osterman, May 2021, “Births: Provisional data for 2020,” NVSS Vital Statistics Rapid Release Report #012, CDC, on line [https://www.cdc.gov/nchs/data/vsrr/vsrr012-508.pdf].
• Martin, Joyce A., Brady E. Hamilton, Michelle J. K. Osterman, and Anne K. Driscoll, 23 March 2021, “Births: Final data for 2019,” National Vital Statistics Reports, 70(2):1-51, CDC, on line [https://www.cdc.gov/nchs/data/nvsr/nvsr70/nvsr70-02-508.pdf].
• Kortsmit, Katherine, Tara C. Jatlaoui, Michele G. Mandel, Jennifer A. Reeves, Titilope Oduyebo, Emily Petersen, and Maura K. Whiteman, 27 Nov. 2020, “Abortion surveillance—United States, 2018,” Morbidity and Mortality Weekly Report, 69(7):1-29, on line [https://www.cdc.gov/mmwr/volumes/69/ss/pdfs/ss6907a1-H.pdf].
• Kortsmit, Katherine, Michele G. Mandel, Jennifer A. Reeves, Elizabeth Clark, H. Pamela Pagano, Antoinette Nguyen, Emily E. Petersen, and Maura K. Whiteman, 26 Nov. 2021, "Abortion surveillance—United States, 2019," Morbidity and Mortality Weekly Report, 70(9):1-29, on line [https://www.cdc.gov/mmwr/volumes/70/ss/pdfs/ss7009a1-H.pdf].
• CDC, 26 Nov. 2021, "Abortions distributed by state 2019," CDC, on line [https://www.cdc.gov/reproductivehealth/data_stats/excel/Abortions-Distributed-By-State-2019.xls].
• U.S. Census Burean, Population Division, June 2021, "SC-EST2020-AGESEX-CIV: Annual estimates of the civilian population by single year of age and sex for the United States, states, and the District of Columbia: April 1, 2010 to July 1, 2020," Census Bureau, on line [https://www.census.gov/programs-surveys/popest/technical-documentation/research/evaluation-estimates/2020-evaluation-estimates/2010s-state-detail.html].
• Hamilton, Brady E., Joyce A. Martin, and Michelle J. K. Osterman, May 2022, "Births: Provisional data for 2021," NVSS Vital Statistics Rapid Release, 20, on line at Centers for Disease Control [https://www.cdc.gov/nchs/data/vsrr/vsrr020.pdf].
• Jones, Rachel K., Jesse Philbin, Marielle Kirstein, Elizabeth Nash, and Kimberley Lufkin, 15 June 2022, "Long-term decline in US abortions reverses, showing rising need for abortion as Supreme Court is poised to overturn Roe v. Wade," Guttmacher Institute, on line [https://www.guttmacher.org/article/2022/06/long-term-decline-us-abortions-reverses-showing-rising-need-abortion-supreme-court].
• Smith, Mikaela H., Zoe Muzyczka, Payal Chakraborty, Elaina Johns-Wolfe, Jenny Higgins, Danielle Bessett, and Alison H. Norris, 2022, "Abortion travel within the United States: An observational study of cross-state movement to obtain abortion care in 2017," Lancet Regional Health--Americas, 10:100214, doi:10.1016/j.lana.2022.100214
• CDC, 25 Nov. 2022, "Abortions distributed by area of residence and area of clinical service 2011-2020," CDC, on line [https://www.cdc.gov/reproductivehealth/data_stats/excel/Abortions-Distributed-by-Area-2011-2020.xlsx].
• Kortsmit, Katherine, Antoinette T. Nguyen, Michele G. Mandel, Elizabeth Clark, Lisa M. Hollier, Jessica Rodenhizer, and Maura K. Whiteman, 25 Nov. 2022, "Abortion surveillance--United States, 2020," Morbidity and Mortality Weekly Report, 71(10):1-27, on line at CDC [https://www.cdc.gov/mmwr/volumes/71/ss/pdfs/ss7110a1-H.pdf].
• Norris, Alison, Ushma Upadhyay, et al., 28 Oct. 2022, "#WeCount report released October 28, 2022," Society of Family Planning, on line [https://www.societyfp.org/wp-content/uploads/2022/10/SFPWeCountReport_AprtoAug2022_ReleaseOct2022-1.pdf], doi:10.46621/UKAI6324.
• (incomplete)

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Last modified 15 January 2023.
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