By Philip Elmer-DeWitt
June 5, 2010

In advance of Apple’s developer’s conference next week, a goody bag of charts and graphs

The Nielsen Company gave journalists covering Apple (AAPL) and Google (GOOG) a gift Friday — a PowerPoint presentation packed with interesting data.

Leading off is the pie chart at right, showing where the U.S. smartphone market stood at the end of the first quarter of 2010. The key finding: Apple’s and Google’s shares have each grown 2% since the last quarter of 2009.

Their growth came largely at the expense of Research in Motion’s (RIMM) BlackBerry and Microsoft’s (MSFT) Windows Mobile, which each lost 2%.

This jibes with most recent studies. The outlier is a self-reported consumer survey from NPD that got a lot of attention in early May. (See here.) It showed Android grabbing 28% of U.S. smartphone sales in Q1 2010 compared with 21% for the iPhone —  which seems unlikely given these results.

The other result sure to catch the eye of Apple’s user base is Nielsen’s finding that iPhone owners tend to be richer and better educated than other smartphone owners in general, and Android owners in particular. See bar graphs below the fold.

Finally, when asked what OS they were looking for in their next smartphone, 14% of Android owners said they wanted an iPhone and only 7% of iPhone owners wanted an Android device.

There’s more where that came from. To see the rest, check out iPhone vs. Android at nielsenwire.

[Follow Philip Elmer-DeWitt on Twitter @philiped]

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