The UK has embraced the Micro Four Thirds camera format, making up over 10% of interchangeable lens camera sales (by volume) in December 2009. According to figures from market research company GfK Retail and Technology, around 6,600 Micro Four Thirds cameras were sold in the UK, accounting for more than half of the system's sales volumes in 11 major Western European countries.

The company's Temax Western Europe fourth quarter 2009 sales figures show that interchangeable lens cameras (DSLR and mirrorless) contributed to around 9.4% of total sales volume in Europe, but approximately 31.2% of the total sales value. Micro Four Thirds accountied for 3.2% of these volumes.

These figures reflect the global shipment numbers published by Japanese trade body Camera and Imaging Products Association (CIPA) that show a similar trend in the global market for DSLRs. CIPA's figures also show there has been a 25% increase in DSLR shipments compared to the same quarter of 2008, but only a 23% increase in value, following a 1.5% drop in average unit cost.

Micro Four Thirds cameras have also been a popular choice in Japan. According to Japanese market research company BCN Rankings, they made up 11.1% of total interchangeable camera unit sales in 2009. All four models available during the year made it into the top 20 list of best selling cameras. Despite only being introduced in July and September respectively, the Olympus E-P1 and Panasonic GF1 accounted for 5.7% of total sales, taking ninth and tenth position in the best sellers list.

By December, GF1 had risen to fourth position with the Olympus E-P2 appearing in ninth - making up 10.9% of interchangeable lens camera sales between the two models. Overall, MFT cameras accounting for 16.5% of interchangeable lens camera sales by volume.