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Generational Differences During Young Adulthood:
Lydia R. Anderson
Families and Households of Baby Boomers and Millennials
Figure 1. Marital Status of Baby Boomers and Millennials Aged 25-34, 1980 and 2015
As shown in FP-17-06, the composition of young adult Baby Boomers and Millennials differs markedly across factors such as racial-ethnic composition and education. In addition to such demographic differences, there have been substantial shifts in family behaviors. This profile examines differences at the family level between the two generations during young adulthood (those aged 25-34 in 1980 and 2015) using data from the 1980 Decennial Census and the 2015 American Community Survey. This approach ensures that we compare the two groups at a similar point in their lifetimes (ages 25-34) to ensure consistency.
In 1980, the majority (68%) of Baby Boomers aged 25-34 were married. This proportion decreased by 41% over the past few decades, with only two-fifths of Millennials currently married in 2015.
Marital Status
The majority of Baby Boomers (84%) and Millennials (59%) lived in independent households in 1980 and 2015 (they were the spouse or head of household). However, the proportion living in an independent household decreased by 30% between the two generations.
This corresponds to a similar decline in the proportion separated or divorced, which dropped from 12% to 7% between 1980 and 2015.
Residential Independence
In 2015, the majority of Millennials had never married, with the percentage more than doubling from 20% among the Baby Boomers in 1980 to 53% among the Millennials in 2015.
Figure 2. Residential Independence of Baby Boomers and Millennials Aged 25-34, 1980 and 2015
Source: 1980 Decennial Census; 2015 American Community Survey, 1-yr. est.
Early Baby Boomers
Early Millennials
Aged 25-34 in 1980
Birth Years: 1945-1955
Birth Years: 1980-1990
Aged 25-34 in 2015
*Note: The terms Baby Boomer and Millennial throughout this profile represent early members of each generation.
The share of young adults (25-34 years old) who are not living independently has doubled. One-fifth of Millennials aged 25-34 lived in their parent’s or grandparent’s home in 2015—up from about one-tenth in 1980.
Source: 1980 Decennial Census; 2015 American Community Survey, 1-yr. est.
Suggested Citation:
Greater shares of Baby Boomers owned homes in young adulthood (25-34) than Millennials.
Figure 3. Home Ownership Among Baby Boomers and Millennials Aged 25-34, 1980 and 2015
In 1980, 60% of Baby Boomers in an independent household owned their own home, compared to just 43% of Millennials in 2015.
Home Ownership
Living with a Biological Child
Figure 4. Baby Boomers and Millennials Aged 25-34 Living with a Biological Child, 1980 and 2015
Baby Boomers more often lived with a biological child than their Millennial counterparts.
While in 1980, over two-thirds of Baby Boomers (aged 25-34) lived with at least one biological child, in 2015, just over half of Millennials (aged 25-34) did so.
Source: 1980 Decennial Census; 2015 American Community Survey, 1-yr. est.
Note: Estimates of homeownership and living with a biological child only include respondents who were living independently (either the head of the household or spouse of the head).
Source: 1980 Decennial Census; 2015 American Community Survey, 1-yr. est.
In 1980, a majority of Baby Boomers were married... in 2015, a majority of Millennials were never married.
005 Williams Hall Bowling Green State University Bowling Green, OH 43403
This project is supported with assistance from Bowling Green State University. From 2007 to 2013, support was also provided by the U.S. Department of Health and Human Services, Office of the Assistant Secretary for Planning and Evaluation. The opinions and conclusions expressed herein are solely those of the author(s) and should not be construed as representing the opinions or policy of any agency of the state or federal government.
National Center for Family & Marriage Research
Family Profiles: Original reports summarizing and analyzing nationally representative data with the goal to provide the latest analysis of U.S. families. These profiles examine topics related to the NCFMR's core research themes.