The Internet reaches 747 million people worldwide, 1.3 million of whom reside in the top 15 countries ranked by Internet population. The data are according to numbers released by comScore Networks's World Metrix service.

The greatest growth over the past year comes from India (33 percent); the Russian Federation (21 percent); and China (20 percent).

Online engagement topped an average 27 hours spent each month in the top 10 countries in this grouping. Hours spent was strongest in Canada (39.6 hours); Israel (37.4 hours); and South Korea (34 hours).

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