As of March 31st
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North America seems to be DS's weakest territory. Japan sales - no surprise there - is still going strong.
IGN.com said:...
The DS and DS Lite were the big stars for the year. In 16 months since launch, the company has managed shipments of 16.73 million worldwide units of the dual screened hardware. Total shipments for this fiscal year alone were 11.46 million units. The numbers for this fiscal year break down to 4.78 million for Japan, 2.19 million for North America and 3.76 million elsewhere.
In terms of DS software, Nintendogs was Nintendo's biggest performer, shipping over 6.55 million units worldwide. Mario Kart DS followed at 4.22 million units, with Animal Crossing coming in at 3.56 million.
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Overall, Nintendo and its third parties shipped 49.95 million pieces of DS software worldwide this fiscal year, for a total of 60.44 million units since launch. The number for this year breaks down to 21.52 million for Japan, 16.08 million for North America and 12.35 million elsewhere.
Link
North America seems to be DS's weakest territory. Japan sales - no surprise there - is still going strong.