Source

Turnover in close friendships

peer-reviewed large-scale communication-data study Roy, Bhattacharya, Dunbar and Kaski, 2022, Scientific Reports 12

Claim this source supports

“Closest ties are fairly stable year to year, roughly 1 to 4 percent annual change among top contacts, with turnover concentrated in younger adults and around major life transitions such as family formation between ages 25 and 35”

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