The latest Canadian Press/Harris Decima measure of voting intentions reveals:

• Nationally, the Conservatives lead by 6 points. Over the latest week, the Conservatives stand at 36%, to 30% for the NDP, 19% for the Liberals, 6% for the BQ, and 6% for the Greens. Over the last two weeks, the Conservatives stand at 35%, to 30% for the NDP, 21% for the Liberals, 6% for the BQ, and 6% for the Greens.
• The NDP are well in front in Quebec. Over the latest week, the NDP stands at 42%, the BQ is at 26%, the Liberals 14%, the Conservatives 12% and the Greens 5%. Over the last two weeks, the NDP is at 42%, the BQ 24%, the Conservatives 15%, the Liberals 14% and the Greens 3%.
• The Conservatives are in front in Ontario. In the latest week, the Conservatives are at 41%, the NDP 26%, the Liberals 24%, and the Greens are at 6%. Over the last two weeks, the Conservatives are at 36%, the Liberals 29%, the NDP 26% and the Greens 6%.
• The Conservatives are ahead in BC. Here, over the last two weeks, they stand at 41%, to 35% for the NDP, 14% for the Liberals and 10% for the Greens.
• The Conservatives are well in front on the Prairies. In Manitoba and Saskatchewan they hold 51% support, to 26% for the NDP, to 17% for the Liberals, and 5% for the Greens. In Alberta the Conservatives are at 57%, to 19% for the NDP, 11% for the Greens, and 11% for the Liberals.
• The Conservatives hold a lead in Atlantic Canada. Here, they stand at 40%, to 30% for the Liberals, 28% for the NDP and 2% for the Greens.

Each week, Harris/Decima interviews just over 1000 Canadians through teleVox, the company’s national telephone omnibus survey. The most recent data were gathered between April 28 and May 1, 2011 for 1,035 completes. A sample of the same size has a margin of error of 3.1%, 19 times out of 20. The two week data were gathered from April 20 to May 1, 2011 for 2,046 completes. A sample of the same size has a margin of error of 2.2%, 19 times out of 20.