Nemény was a member of the Parliamentary Committee on Consumer Protection between 14 May and 1 June 2010. He was appointed a member of the Committee on Employment and Labour on 14 May 2010, holding the position until 5 May 2014.[2]
In the 2018 Hungarian parliamentary elections, he was 17th on the joint national list of MSZP and Dialogue Party, and he was again able to run against Csaba Hende in Vas County constituency 1, but this time he was defeated and did not get into the Parliament.[3]