Though Apple has not released official numbers so far, retailers in China are reporting that over 3.4 million pre-orders have been placed for the iPhone SE. Gold is said to be the most popular color with 1.3 million pre-orders, followed closely by rose gold at 1.2 million.

From CNBC:

Pre-orders for Apple's new four-inch iPhone began on Thursday, March 24. The phone releases in the U.S., China, and several other territories on Thursday, March 31.