Issues that can be proposed by citizens using the initiative process at the national level

Finland
THE FINNISH CONSTITUTION
(Adopted1999; last amended 2011)
http://www.finlex.fi/fi/laki/kaannokset/1999/en19990731.pdf
Section 53, sub-section 3
At least fifty thousand Finnish citizens entitled tovote have the right to submit an initiative for the enactment of an Act to theParliament, as provided by an Act.
Section 73
A proposal on the enactment, amendment or repeal ofthe Constitution or on the enactment of a limited derogation of theConstitution shall in the second reading be left in abeyance, by a majority ofthe votes cast, until the first parliamentary session following parliamentaryelections. The proposal shall then, once the Committee has issued its report,be adopted without material alterations in one reading in a plenary session bya decision supported by at least two thirds of the votes cast.
However, theproposal may be declared urgent by a decision that has been supported by atleast five sixths of the votes cast. In this event, the proposal is not left inabeyance and it can be adopted by a decision supported by at least two thirdsof the votes cast.
CITIZENS' INITIATIVE ACT
(Adopted2012)
http://www.finlex.fi/fi/laki/alkup/2012/20120012
Section 4,sub-section 1
It is unclear whether an agenda initiative canpropose a constitutional amendment. By Section 73 of the Constitution,Constitutional amendments take the form of legislative proposals in Parliament.