AdDuplex released the following updated information for Microsoft's (Nasdaq: MSFT) Windows Phone, including the just-reased version 8.1.

Accoridng to the latest data, about 3.1 percent of Windows Phone users are already on 8.1. About 18.9 percent are still on Windows Phone 7 and 78.0 are using Windows Phone 8.0.

Aside from adaption rate, Nokia (NYSE: NOK) is still the number one WP handset provider. The following shows global WP handsets through the middle of April 2014: