16.4% of the total births in 2003 were to parents of non-European origin, although they account for only 12.4% of the population in the 25-34 age group. For example, 3.8% of the births were ethnic Moroccan, although they were only 2.26% of the 25-34 age group. Respective figures were 3.27% and 3.0% for Turks. The TFR for Moroccans in 2003 was 3.3 while the general TFR was 1.73. TFR was 2.3 for Turks, 1.7 for Surinamese, 1.8 for Arubans, 3.0 for Africans and 1.8 for Americans. (These figures compare with a figure of around 2.1 required to maintain a stable overall population figure.)