In 2022, in Mazowieckie Voivodship, 28.3% of persons aged 25–34 did not start their own family and lived with their parents. In Mazowieckie Voivodship, the level of the phenomenon called nesting is lower than in Poland in general and lower than in most voivodships; a comparable level was recorded in Pomorskie Voivodship, and the highest in Świętokrzyskie Voivodship – almost 41%.