- PSTN and mobile voice services’ combined share of total revenue (see chart below) is in decline, but they still accounted for 50% of telecoms service revenue worldwide, down from 51% in 2010
- Except for PSTN, all service types registered year-on-year revenue growth in 2011
- The number of subscribers has increased by about 15% for all services except PSTN, which declined by 4%
- Mobile voice revenue is still growing, at 4.8% in 2011 year-on-year, but the growth rate continues to decline. By comparison, the growth rate for 2010 was 5.2%
See "WORLDWIDE TELECOMS MARKET SHARES 2011" - here.
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