It has been a month since Final Fantasy Type-0 launched in Japan, you can see weekly sales and total sales below. Data provided by Media Create.
Week 1: 472,253
Week 2: 122,286
Week 3: 57,091
Week 4: 30,543
Total sales of other major PSP titles by Square Enix for comparison:
924,321 – Dissidia: Final Fantasy
799,193 – Crisis Core: Final Fantasy VII
768,721 – Kingdom Hearts: Birth by Sleep
!!these numbers are from Japan only!
Media-Create Sales Via: 4gamer