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Mother's Day is this weekend--and for 12.3 million young adults, it won't be too much effort to celebrate. A new report from Zillow finds that nearly a quarter (22.5 percent) of 24-36 year olds live with their mothers, up from 13.5 percent in 2005, reports Zillow's Sarah Mikhitarian.

The trend of more millennials living under mom’s roof (or mom and dad’s – the analysis includes households where two parents could be present, as long as the mom is) holds in many large U.S. markets as well, including the largest 35. Predictably, the share of young adults unable or unwilling to flee the nest increased during the housing bust and economic downturn, as they graduated into a weak economy where jobs were difficult to obtain. But even since the depths of the recession and throughout an otherwise fairly robust recovery, a growing share of millennials are staying at home with mom instead of breaking out on their own. That’s not necessarily because more young people today are staying in school longer, and thus living at home: Young adults enrolled in school were excluded from the analysis.

Nationwide, just over half (56 percent) of young adults living at home in 2016 were male – about on par with the gender ratio since 2005. They are also predominantly white (48.6 percent), but a faster-growing share of black and Hispanic young adults are living with mom today than were in 2005. This is particularly prominent in metros like Miami and Atlanta, where the respective shares of Hispanic young adults and black young adults living with mom has grown faster than any other group.

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