Nintendo announced that the 3DS has sold 4.5 million units in the United States in its first year, nearly doubling the first year for the DS, which had 2.3 million units sold.
Another comparison Nintendo noted was the total number of softwaretitles released in the first 12 months. The DS had 58 while the 3DS has more than 100. As for software sales, the DS sold 5 million games, but the 3DS sold more than 9 million games.
Lastly, Nintendo said total sales (hardware, software, and accessories) in the first 12 months for the DS was $540 million and the 3DS came in at $1.2 billion.