The number of vehicles registered on the roads in Turkey surpassed 20 million in January 2016. The average age of vehicles on Turkish roads is nearly 13 years, the country's statistics authority said on Thursday.A total of 110,000, including both new and old vehicles, were registered in January, the statistics authority said. According to the Turkish Statistical Institute (TÜİK), the average age of vehicles rose to 12.7 years in 2016 from 12.5 years the previous year.Cars make up 53 percent of the total number of vehicles. Small trucks constitute 16.3 percent, motorcycles 14.6 percent, tractors 8.5 percent, trucks 4 percent, minibuses 2.3 percent, buses 1.1 percent and special purpose vehicles 0.2 percent.