Below are links to external sources of information (free of charge), mostly in local languages.
Circulations and online visitors
The Finnish Audit Bureau of Circulations (Circulations in Finland)
The Finnish Newspapers Association (i.e. newspaper circulations in Finland)
The Finnish Periodical Publishers Association (i.e. magazine circulations, magazine advertising and readership in Finland)
TV viewers and radio listeners
Finnpanel (Radio listeners and TV & Web TV viewers in Finland)