Growth in global advertising expenditure is projected to slow to 5.1 percent this year, following an estimated rise of 5.3 percent in January, according to the latest Consensus Ad Forecast from Warc. The firm found that India was to see an 11 percent year-on-year increase in ad spending in 2015. This was followed by China (10.3), Brazil (7.1) and the UK (5.7) with the U.S. coming sixth with a growth of only 3.5 percent. France will perform the most poorly, set to lose 0.1 percent of spending this year.