The U.S. experienced a substantial spike in active users from May to June, according to Nielsen Online.
Recent data from comScore's World Metrix audience measurement service reveal that Russia and Brazil had by far the most engaged social networking audiences in the world in May.
The Internet population is up everywhere except the U.K.
The Internet population is down in Australia, up in the U.K.
number of active Internet users fluctuated in January.
Internet users in China are characterized by social networking; 82 percent use the Web to stay in touch with others.
Italy bounces back with a 3.6 percent gain in active home Internet users.
Active home Internet users increased in all but one country tracked.
Active home Internet populations rise and fall in 10 countries worldwide.
The Internet population isn't big in Japan -- or the U.S. and elsewhere.
Internet users were on the rise in 8 of 10 countries in August.
Italy and Brazil add the most users in July.
The number of Internet users in Germany held steady, but fluctuated in other countries.
The populations of active home Internet users increased in all but one of the 10 countries tracked by the the Nielsen Online group.

February 15, 2012
1:00pm EST / 10:00am PST
February 22, 2012
1:00pm EST / 10:00am PST