Diversity Avatars is an icon project to show people from around the world. Each icon is easily editable, comes with reusable elements, and works in your favorite design apps.
The avatars come in three packages, free for 30, 250 for $49, and 770 for $69. These would be great to add to your toolbox for your next UI design. Find out more and download the 30 free ones at Diversity Avatars.