The Liberals maintain their six-point lead over the Conservatives, according to the latest nightly tracking by Nanos Research for CTV News and the Globe and Mail.

Tracking released on Oct. 11 shows:

The Liberals at 35.1 per cent support nationally

The Conservatives at 29.0 per cent support nationally

The NDP at 25.0 per cent support nationally

The Greens at 5.1 per cent support nationally

Respondents were asked: "If a federal election were held today, could you please rank your top two current local voting preferences?"

Nightly tracking by Nanos Research for CTV News and the Globe and Mail, released Oct. 11.

Regionally, the federal Liberals lead in Atlantic Canada and Ontario, while the Conservatives have an advantage in the Prairies.

The Liberals and NDP are in a tight race in Quebec, and British Columbia is a three-way race.

The latest regional numbers:

Atlantic Canada - Liberals (52.3 per cent), NDP (20.4 per cent), Conservatives (15.5 per cent), Greens (11.8), based on 106 decided individuals. A sample of 106 respondents is accurate ±9.7 percentage points, 19 times out of 20.

- Liberals (52.3 per cent), NDP (20.4 per cent), Conservatives (15.5 per cent), Greens (11.8), based on 106 decided individuals. A sample of 106 respondents is accurate ±9.7 percentage points, 19 times out of 20. Quebec – NDP (32.1 per cent), Liberals (28.8 per cent), Bloc Quebecois (20.9 per cent), Conservatives (15.9 per cent), Greens (1.2), based on 266 decided individuals. A sample of 266 respondents is accurate ±6.1 percentage points, 19 times out of 20.

– NDP (32.1 per cent), Liberals (28.8 per cent), Bloc Quebecois (20.9 per cent), Conservatives (15.9 per cent), Greens (1.2), based on 266 decided individuals. A sample of 266 respondents is accurate ±6.1 percentage points, 19 times out of 20. Ontario – Liberals (42.1 per cent), Conservatives (32.8 per cent), NDP (22.3 per cent), Greens (2.9 per cent), based on 324 decided individuals. A sample of 324 respondents is accurate ±5.5 percentage points, 19 times out of 20.

– Liberals (42.1 per cent), Conservatives (32.8 per cent), NDP (22.3 per cent), Greens (2.9 per cent), based on 324 decided individuals. A sample of 324 respondents is accurate ±5.5 percentage points, 19 times out of 20. Prairies – Conservatives (46.0 per cent), Liberals (29.9 per cent), NDP (21.5 per cent), Greens (2.5 per cent), based on 219 decided individuals. A sample of 219 respondents is ±6.7 percentage points, 19 times out of 20.

– Conservatives (46.0 per cent), Liberals (29.9 per cent), NDP (21.5 per cent), Greens (2.5 per cent), based on 219 decided individuals. A sample of 219 respondents is ±6.7 percentage points, 19 times out of 20. British Columbia – Conservatives (29.3 per cent), Liberals (27.6 per cent), NDP (26.2 per cent), Greens (14.8 per cent), based on 165 decided individuals. A sample of 165 respondents is accurate ±7.7 percentage points, 19 times out of 20.

Poll methodology

A national dual frame (land and cell) random telephone survey is conducted nightly by Nanos Research throughout the campaign using live agents. Each evening a new group of 400 eligible voters are interviewed. The daily tracking figures are based on a three-day rolling sample composed of 1,200 interviews. To update the tracking a new day of interviewing is added and the oldest day dropped. The margin of error for a survey of 1080 decided voters is ±3.0 percentage points, 19 times out of 20.

Trudeau and Harper in tight race as preferred PM, Mulcair trails in 3rd

The latest national tracking by Nanos Research for CTV News and the Globe and Mail shows Liberal Leader Justin Trudeau and Conservative Leader Stephen Harper in a tight race on the preferred prime minister measure, while NDP Leader Thomas Mulcair trails in third.

When asked who they would prefer as prime minister:

30.2 per cent of respondents said they preferred Trudeau

28.2 per cent said Harper

22.6 per cent said Mulcair

5.8 per cent said Green Party Leader Elizabeth May

Respondents were asked: "Of the current federal political party leaders, could you please rank your top two current local preferences for prime minister?"

The latest results were released at 2 p.m. on Oct. 11.

Nightly tracking by Nanos Research for CTV News and the Globe and Mail, released Oct. 11.

Survey methodology:

A national dual-frame (land and cell) random telephone survey is conducted nightly by Nanos Research throughout the campaign using live agents. Each evening a new group of 400 eligible voters are interviewed. The daily tracking figures are based on a three-day rolling sample composed of 1,200 interviews. To update the tracking a new day of interviewing is added and the oldest day dropped. The margin of error for a survey of 1,200 respondents is ±2.8 percentage points, 19 times out of 20.

Full poll and survey at Nanos Research

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