This is from the RCMP database 
Ontario has the highest in all categories. Of course, if we are talking firearms not onthe datablase, the numbers would differ.
Province/Territory Non-restricted Restricted Prohibited Total
Alberta 882,790 88,167 24,495 995,452
British Columbia 812,060 94,414 28,525 934,999
Manitoba 334,437 17,666 6,107 358,210
New Brunswick 269,774 11,566 5,371 286,711
Newfoundland,Labrador 199,692 3,835 1,590 205,117
Northwest Territories 18,273 1,037 331 19,641
Nova Scotia 285,870 16,012 7,428 309,310
Nunavut 11,869 156 38 12,063
Ontario 2,067,406 182,179 84,726 2,334,311
Prince Edward Island 21,557 1,641 798 23,996
Quebec 1,593,912 56,522 33,662 1,684,096 Saskatchewan 397,901 25,591 8,448 431,940
Yukon 23,180 1,739 385 25,304
Total 6,918,721 500,525 201,904 7,621,150