Apple said its revenue increased 18% year-on-year in the quarter ending December 29, 2012 to 54.5 billion US dollars. Sales rose 67% in Greater China and 25% in Japan, but just 11% in Europe. Apple's iPhone revenues climbed 28% year-on-year and iPad revenues 22%, but Mac revenues were down 16%.
Apple said it expects revenue in the current quarter to be between 41 billion and 43 billion US dollars. That would represent an increase of between 5% and 10% year-on-year. source: Apple statement