A research from Consumer Intelligence Research Partners (CIRP) shows that 43% of iPhone 5s units sold in the United States were space gray, while 30% were silver and 27% were gold. In the case of the iPhone 5c, blue is the most populair color.

400 consumers have been surveyed in the month after the phones launched and 27% of purchasers bought the blue iPhone 5c, followed closely by white at 25% , green at 21%, and pink at 20%. The yellow iPhone 5c has only be purchased by 7% of the 400 consumers.

In the graphics below you can see that men prefer the Blue and White iPhone 5c and women prefer the Pink iPhone 5c. Men and Women both prefer the Space Grey iPhone 5s.

via [FSM]