Nintendo Galaxy has accumulated the current sales data of the PSP and DS in Europe. The PSP has a total of 2.4 million units sold and DS has 3.7 mil sold. They broke it down like this:
United Kingdom:
795, 000 (PSP)
1,000,000 (DS)
France:
500,000 (PSP)
750,000 (DS)
Germany:
350,000 (PSP)
520,000 (DS)
Spain:
295,000 (PSP)
425,000 (DS)
Other Regions:
500,000 (PSP)
1,005,000 (DS)
The DS knows how to take a hit.
[Source: Kotaku]