The Pokémon Company posted a special news release on November 12th, 2014 to announce that
Pokémon Omega Ruby and Pokémon Alpha Sapphire had reached 1 million pre-order sales in Japan. Nintendo previously announced that
pre-order sales for ORAS were down in Japan compared with
XY but were on par in North America and ahead in Europe. The Pokémon Company revealed though that reservation numbers now exceed
Pokémon X and Y overseas which was the fastest selling first week Nintendo 3DS game!
Source:
http://www.pokemon.co.jp/corporate/press/objects/pdf/poke_141112.pdf