This Freedonia study is a comprehensive look into world market for lighting - http://www.freedoniagroup.com/DocumentDetails.aspx?DocumentId=602974

1. WORLD LIGHTING DEMAND BY REGION, 2011
($43.9 billion)
Japan Other Asia/
9.7% Pacific
11.6%
China
United States
27.2%
16.5%
Canada &
Mexico
2.7%
Central &
South
Western
America Eastern
Europe
4.9% Europe Africa/
17.1%
5.3% Mideast
5.0%
Source: The Freedonia Group, Inc.