Monilapsiset
Monilapsiset is a term used in Finnish-language discourse to describe families or households that have exactly one child. The word is a compound: mono- meaning one, lapsi meaning child, combined with the plural adjectival suffix -iset, allowing it to function as an attributive modifier (monilapsiset perheet) or, less commonly, as a standalone noun phrase referring to such families.
In sociology and demography, monilapsiset is used to discuss family size distributions, child outcomes, and policy
In media and policy debates, the term may appear when analyzing childcare needs, education demand, tax treatment,
Terminological ambiguity and regional linguistic variation are acknowledged; some sources may prefer alternatives such as yksilapsiset