Between 1985 and 2014, those living in urban areas increased by nearly 13%, to reach 76.3% of the Colombian population, while 23.7% of the population lived in rural areas. It is projected that 85% of the Colombian population will live be urbanised by 2050. Infant mortality rates have decreased from 40 deaths per 1 000 live births in 1970 to 12.8 in 2013 (OECD average, 3.8 deaths per 1 000 live births).