Facebook’s latest quarterly report filing with the SEC reveals that nearly 102 million people – 20% of Facebook members – accessed the social network solely on their mobile devices during the month of June 2012. That was up 23% from March.

Our May 2012 Mobile Analytics Report finds that the average mobile iOS subscriber spends 20% more time on Facebook than the average Android subscriber.

See more statistics on mobile Facebook usage in our February and May 2012 reports here.

-Anna Yong