A fascinating study from The Nielsen Company presents fresh data to illustrate the fact that non-white Americans own smartphones at higher rates than whites.

Hispanics and Asian/Pacific Islanders are at the top of the chart. And while this study didn’t look at how dependent these groups are on the wireless Internet, we know that, more and more, smartphones are their primary gateways to the Internet.

Also check out Nielsen’s numbers on mobile OS marketshare —echoing Canalys’ recent study, it looks like Android, BlackBerry, and iPhone are all tied up.