Per reporting in WorldBulletin.net, in 2012, Turkey led European nations in both number of births (i.e. total births), and in terms of respective crude birth rates (births per 1000 people in a given country).
Last year, nearly 1.3 babies were born in Turkey. Following Turkey's Europe-leading total births were France (approximately 823,000), Great Britain (approximately 813,000), Germany (approximately 671,000), and Spain (approximately 457,000).
The WorldBulletin.net article is linked below.
WorldBulletin.net: Europe's 2012 Births and Crude Birth Rates
"In 2012, 1,279,864 inviduals were added to the Turkish population, making Turkey the leading country among European countries with crude birth rate of 17 per 1,000 inhabitants."