A study by the Nielsen Company found an increase in the use of and time of use of the Internet in the United States in the fourth quarter of 2008. The study found that 161,525,000 Americans 2 years and older used the Internet monthly, an increase of 3.3 percent from the fourth quarter 2007. The study also found that the average American 2 years or older spent 27:04 hours a month on the Internet, up 3.6 percent from fourth quarter of 2007. The amount of time spent on the Internet by age was: 5:19 hours for 2-11 years old, 11:27 hours for 12-17 years old, 13:00 hours for 18-24 years old, 28:15 hours for 25-34 years old, 38:40 hours for 35-44 years old, 37:06 hours for 45-54 years old, 33:39 hours for 55-64 years old, and 26:29 hours for 65 years and older. According to the study 31 percent of Internet use occurs concurrently with television viewing. Finally, the study found the average American watched 2:53 hours of online video. The figures were calculated using Nielsen’s Internet panels, which are measured electronically.