With over 62 percent of the ballots counted, Russia’s ruling United Russia party is gaining 50.13 percent, and its closest rival, the Communist Party (KPRF) 19.49 percent.
A Just Russia is gaining 12.86 percent, and Liberal Democrats (LDPR) 11.93 percent.
President Dmitry Medvedev congratulated the leaders of other parties on getting seats in the State Duma.
Earlier he said his party, unlikely to get a constitutional majority of over two-thirds of the vote, will have to seek coalition agreement with other parties on some issues in order to get its legislation through the lower house of parliament.
Earlier United Russia was able to impose its will on the national legislature with or without the support of other political parties.