18vuotiailta
18vuotiailta is a Finnish phrase meaning “from 18-year-olds.” It is the elative plural form of the compound adjective 18-vuotias (an 18-year-old) and is used to indicate the source of information, opinions, or data coming from that group.
In Finnish grammar, the base term 18-vuotias combines the number 18 with the noun oikeaikäisen vastineen, yielding
Usage is common in journalism, research, and surveys to attribute information to a specific age group. Examples
Orthographic note: in formal Finnish, write 18-vuotiailta with a hyphen and the elative suffix. In casual digital
See also: 18-vuotias, elatiivi (elative), Finnish numeral-noun compounds.