Nielsen Wire aimed their survey at social media with special attention paid to the access from mobile devices. It shouldn’t be any surprise that social media access from mobile devices now accounts for a significant proportion of people. 40% of the people who access social media content to so from their phones.

Social Media Report: Spending Time, Money and Going Mobile

37% of people access social media using a mobile phone. A surprisingly small 3% of access came from people using an iPad.

Despite the rise of mobile apps, mobile browser usage is up 47% in the past year. Mobile access to social networking sites rose by 62%. The top 5 U.S. Social Networking sites access from mobile web browsers are:

1. Facebook
2. Twitter
3. LinkedIn
4. MySpace
5. PhotoBucket

On the app side of the story social networking apps was the third most popular app download category (behind games and weather). The five most popular mobile social networking apps mostly mirrors the web ranking with the exception of position 5 where PhotoBucket is replaced by Foursqare in the app list.