Is it just me, or do you think that is somewhat (or a lot) misleading?
According to a StasCan survey on Canadians emergency preparedness, 99% of homes are protected with “working smoke detectors” and in Canada, 98% of homes have the same protection!
Have a look:
http://www.statcan.gc.ca/pub/85-002-x/2015001/article/14234-eng.htm
http://www.statcan.gc.ca/daily-quotidien/151028/t001a-eng.htm