The federal Liberals continue to register strong scores on the Nanos Party Power Index.

The Liberals scored 60.5 points out of 100 on the Nanos Party Power Index, while the Conservatives scored 50.4 points, the NDP 49.6 points, the Green Party 31.9 points and the BQ 25.6 points (QC only).

Accessible voters for both the Liberals and the NDP are near a twelve month high for both parties while accessible voters for the Conservatives are near their twelve month average.

Asked a series of independent questions for each party, 58.8 per cent of Canadians would consider voting Liberal, while 45.6 per cent would consider the NDP, 40.6 per cent would consider the Conservatives and 28.2 per cent of Canadians would consider voting for the Green Party of Canada.

Liberal Leader Justin Trudeau has maintained a seven point advantage in the week over week tracking on the preferred prime minister front over Conservative Leader Stephen Harper and registered a new 12-month high.

For the first ranked choice for PM, Trudeau came in at 35.8 per cent,  Harper at 28.3 per cent, NDP Leader Thomas Mulcair at 17.8 per cent, Green Leader Elizabeth May at 3.6 per cent, Bloc Quebecois Leader Mario Beaulieu at 0.7 per cent and the rest were unsure.