GTA 5 sold 1.1M in France during last week according to GFK preliminary numbers.
It smashed previous record from Black Ops 2 (700 000). Take note that GTA 4 did 320 000 sales back in May 2008.
Another piece of information is that 77% of those sales come from PS3 and 23% from 360, indicates GFK.
In UK, ratio was 56/43 in favor of 360 for a total of 2.25M games sold.
Source : http://www.gamekult.com/actu/gta-5-les-chiffres-en-france-A111908.html
(Sorry if there are any mistake, I'm a french guy. )