Interesting ranking of MNOs, based on global groups, rather than individual operators. Certainly useful if you sell to the mobile market ..
"Operator groups present in fast-growing mobile markets in Asia and Latin America are continuing to rise up the rankings in the latest Wireless Intelligence 'Scoreboard,' which this month tracked the top 20 global operator groups based on majority-owned assets in Q2 2011. Minority holdings (less than 50% plus one share) are excluded from this analysis". .
Top 5 are shown below. See the rest at "Wireless Intelligence: New 'Scoreboard' ranks top 20 global operator groups by mobile connections" - here