Age-Gender Breakdown
Males comprise 72 percent (6.5 million) of the Internet users who access the Internet via a mobile phone or PDA, while women comprise 28 percent (3.4 million). This compares to the total Internet population, where 48 percent (45.3 million) are male and 52 percent (48.3 million) are women.

Persons aged 18-34 represent 53 percent (5.3 million) of online users who access the Internet via mobile phone or PDA, while persons 35-54 represent 42 percent (4.2 million) and persons 55 and older represent 4 percent (400,000).
This compares to the total Internet population, where 40 percent (37.6 million) are 18-34; 46 percent (42.8 million) are 35-54; and 14 percent (13.2 million) are 55 and older.

Wireless Internet access skews to higher incomes
Internet users with annual household income less than US$60,000 comprise 41 percent (4.1 million) of those who go online via a mobile phone or PDA, while those with annual household income of more than US$60,000 represent 59 percent (5.8 million).

This skews somewhat further toward high-income households than the total Internet population, where 51 percent (47.7 million) have a household income less than US$60,000 and 49 percent(45.9 million) have a household income greater than US$60,000.

Wireless Internet access among Web-based e-mail users
While 11 percent of all Web-based e-mail users access the Internet via a mobile phone or PDA, users of certain mail services have a notably greater propensity toward this application.

The corresponding figure is 16 percent for users of Netscape Webmail, 15 percent for AOL.com e-mail, 13 percent for MSN hotmail and 11 percent for Yahoo! mail.

Wireless Internet access among visitors to news sites
12 percent of visitors to news sites also access the Internet via a mobile phone or PDA, though certain sites draw disproportionately higher percentages of wireless Web users, including: Wall Street Journal Interactive at 17 percent; Boston.com at 16 percent; CNN.com at 15 percent; and NYTimes.com at 14 percent.