According to our Mobile For Automotive (MFA) service, the multi-billion-unit worldwide mobile phone installed base -- the number of active cellphones -- will grow by 6% in 2014. Asia Pacific has the largest installed base by some margin, while Western Europe has the highest population penetration. Countries with huge cellphone installed bases that will benefit carmakers include China, United States, UK, India, Brazil and Russia. More analysis and forecasts can be downloaded by MFA clients here.