MOSCOW, 14 Sep. It is necessary to preserve the core in parliament, on which the government could rely on to solve socially significant problems, said Russian President Vladimir Putin. Putin at a meeting with the government of the Russian Federation and the leadership of the United Russia party, speaking about the implementation of social issues. Voting in the Duma and other elections on a single voting day will take place this year from 17 to 19 September, follows from the CEC resolution. The State Duma is elected for a five-year term under a mixed electoral system: 225 deputies are elected from party lists, another 225 — from single-mandate constituencies in one round. June 18, 14:29 InfographicsElections to the State Duma — 2021InfographicsView