GGP at a Glance No. 1 / June 2012
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Among young adults age 20 to 39 years old, more than 40 percent have at least one biological grandparent who is still alive. Inversely, among older adults age 60 to 79 years old, around 80% have at least one grandchild. Increasing longevity and low fertility exert opposite effect on the availability of kins and on the prevalence of multigenerational families.
Availability of different types of biological kin (%) by age group
![](http://www.ggp-i.org/sites/default/files/01-ggp_at_a_glance-figure.png)
Source: Puur, A., Sakkeus, L., Põldma, A., & Herm, A. (2011). Intergenerational family constellations in contemporary Europe: Evidence from the Generations and Gender Survey. Demographic Research, 25(4), 135-172.