Although the United States has the largest number of Internet users--153 million logged on in January--Canada is number one at spending time online. People in these countries spend the most hours online in a month.
Hours spent per month
1. CANADA 40
2. ISRAEL 37
3. SOUTH KOREA 34
4. UNITED STATES 32
5. UNITED KINGDOM 31
SOURCE: COMSCORE WORLD METRICS.