180 millions copies, i think it´s too much but it can be. but if you count the singles the number is higher.
i have a lot of information, but not all of that information is official.
in spain, they sold over 3.200.000 millions cd´s, and they received 3 diamond award, and they are the best selling international banda in that country.
greatest hits sold over 25 millions copies, including the hollywood record´s version.
greatest hits 2 sold over 20 millions copies (aprox.), including classic queen in usa and canada.
and it´s true what you say about south america, i think they are the best selling international band.
"made in heaven" sold over 10 millions copies.