If demographic trends and modes of cohabitation continued, 172,500 housing units would need to be built until 2050, deducting those built since 2021, estimates INSEE.
115,500 housing units would be needed to support population growth, the decline in household size linked to changes in cohabitation patterns and the aging of the population. Furthermore, it would be necessary to build 27,500 additional housing units to take into account buildings left vacant or intended for second homes. To these future needs would be added 29,500 housing units to be built to alleviate the current situations of lack of housing or poor housing..
