As per Wireless Intelligence analysts (www.wirelessintelligence.com), top 20 operators list is as:
Aggregated top 20 operators and operator groups*, Q1 2009
They contribute 58% of world telecom population. Among these top operators, consolidation is inevitable. Discussions among Airtel and MTN areunder progress. Once the consolidation happens, Airtel-MTN consortium should move to #5. Interesting statistics are for China Mobile, which is 478 million from 2 markets.