UK can't be the second biggest market in the world, because germany became the biggest market in europe lately. It's still behind the US, China and Japan so it's at spot #4. That means the UK can only be #5 at best.
http://www.newzoo.com/insights/europes-largest-games-market-germany-grows-5-3-7bn-2013/
Official member of VGC's Nintendo family, approved by the one and only RolStoppable. I feel honored.