No I'm being very specific. South Asia in the English language usually is a specific geographical designation referring to India, Pakistan, Nepal, Bangladesh, and Sri Lanka - those five countries. And normally Bhutan and sometimes Afghanistan is included within the definition of South Asia but the number of migrants from those countries in Qatar is negligible.
I'm trusting the Guardian's own reporting of the allegations that their figure is the total number of deaths among South Asian migrants in a ten year period - not abnormal deaths, not accidental deaths, just deaths from all sources, as per the article. From there I did the maths myself, obtaining the estimated number of South Asian migrants in Qatar (<1.8 million) dividing that by the number of deaths per year to get a death rate of ~40 per 100,000 for that population, rounding up all the estimates to paint Qatar in the worst possible light, because I'm not interested really in protecting the regime here.
I'm Australian, we've been complaining about Qatar since the bidding stage, so I know the arguments. Migrant workers skew young and healthy, so I took the
youngest adult demographic in an industrialised country as a baseline because, again, I want to hold Qatar to a high standard.
I have not looked up Qatari mortality statistics because I trust Guardian reporting over the stats of an authoritarian regime incentivised to make their stats look good. But if you want to check the maths, as opposed to going by vibes, please do.