I would say very common, see https://www12.statcan.gc.ca/census-recensement/2011/as-sa/98-312-x/98-312-x2011003_4-eng.cfm https://www12.statcan.gc.ca/census-rec

I would say very common, see https://www12.statcan.gc.ca/census-recensement/2011/as-sa/98-312-x/98-312-x2011003_4-eng.cfm https://www12.statcan.gc.ca/census-recensement/2011/as-sa/98... from ten years ago. ' Among seniors in their nineties, over half (56.5%) lived in private households in 2011, including 28.7% who lived alone, 12.2% who were part of couples and 15.7% who lived with others, such as adult children. The remaining 43.5% lived in collectives such as nursing homes or residences for senior citizens. '