Complete-count statistics on persons 14 years old and over by marital status are presented for States, their urban and rural parts, counties, Standard Metropolitan Statistical Areas, Urbanized Areas, places of 1,000 or more, and minor civil divisions in chapter B of each State part of Volume 1, Characteristics of the Population. Similar data are shown for census tracts in the Series PHC(1) reports. In addition, chapter B of Volume I, Part I, United States Summary, shows statistics on marital status for the United States, the commonwealth of Puerto Rico, outlying areas of sovereignty or jurisdiction, and the United States population abroad. For States and the rural-farm population of counties, statistics on marital status and married couples based on the 25-percert sample are presented in chapter C of Volume I. Chapter D of Volume I presents 25-percent sample statistics on marital status, by age, color, and sex for the United States, urban and rural, regions, Standard Metropolitan Statistical Areas, and counties of 250,000 or more.

Statistics on marital status, for family and subfamily heads by presence of children under 18 years old, and for unrelated individuals, based on the 25-percent sample, are presented for States and their urban and rural parts in chapter D of Volume I, and for census tracts in the Series PHC(1) reports.

Several other reports in Series PC(2) and PC(3) contain additional information on marital status and married couples. Report PC(2)-4A, Families, presents statistics based on the 5-percent sample on the marital status of heads of households, families, and subfamilies, by number of children. Report PC(2)-3A, Women by Number of Children Ever Born, presents 5-percent sample statistics on marital status of women 15 years old and over by number of children ever born and statistics on age of husband and age of wife for women 15 to 49 years old. Report PC(2)-4B, Persons by family Characteristics, presents 5-percent sample statistics on the marital status of persons 14 years old and over, by detailed family status, age, color, and sex, for the United States and Urbanized Areas, and on the marital status of persons living with one or both parents, by age, color, and sex, for the United States, its urban and rural parts, and the South. Most other reports in Series PC(2) and PC(3) include information on marital status.

Statistics on persons 14-years old and over by abridged marital status categories based on a complete count for States, Standard Metropolitan Statistical Areas, Urbanized Areas, cities, and counties were shown in 1950 Census of Population, Volume II, Characteristics of the Population, chapter B. In chapter C, cross-classifications of marital status by age, and relationship to family head by age, were shown for States and Standard Metropolitan Statistical Areas; data for marital status by age were also shown for large cities.

Statistics on marital status by single years of age and on marital status by family status and income were presented in 1950 Census of Population, Volume IV, part 2, chapter D, marital status. Volume IV, part 2, chapter E, Duration of Current marital status, presented statistics on women 15 to 59 years old for five marital status categories by duration of current marital status, age at entry into current marital status, number of children ever born, Years of School Completed, and labor force status. Statistics on marital status for females 15 to 59 years old were also published in Volume IV, part 5, chapter C, Fertility, by age of woman, Years of School Completed, and labor force status, for the United States, urban and rural. Marital status by selected characteristics of women was also shown for States. Statistics on marital status by household status and labor force status for the United States, urban and rural, were shown in 1950 Census of Population, Volume IV, chapter 1A, Employment and Personal Characteristics. Additional statistics on marital status were presented in nearly all of the special reports in Volume IV of the 1950 Census of Population.

Statistics on marital status by age and relationship to head of household for States and large cities were published in 1940 Census of Population, Volume IV, Characteristics by age.

Furthermore, the 1940 special report entitled "The Labor Force (Sample Statistics)-Employment and Personal Characteristics" contains a cross-classification of household relationship by broad marital status categories and age.

Statistics on duration of first marriage and age at first marriage for 1940, and on duration of first marriage for 1910, were published in the 1940 reports which appeared under the General title Differential Fertility-1940 and 1910.

Annual estimates of the population by marital status and age based on the Current Population Survey are published in Current Population Reports, Series P-20. Occasional reports in this series present more detailed information pertaining to marital status. Series P-20, No. 108, "Marriage, Fertility, and Childspacing: August 1959" presented statistics on marital status by age at first marriage, year of first marriage, and color. Series P-20, No. 88, "Household and family Characteristics: March 1958," presented statistics on married couples by ages of husband and wife. Other reports in the P-20 Series for earlier years presented additional detailed statistics on subjects related to marital status. See, for example, Series P-20, Nos. 67, 50, 26, 23, and 20.