Objective: The key objective of this paper is to analyze Serbia's 2011 Population Census results related to the fertility, in the interest of more efficient population policy model. Results: None of the analyzed 33 age cohorts of women who were past the reproductive age in 2011 had an average number of live births bigger than two children. Even the registered women in the oldest analyzed age cohort (generation born in 1930) had given birth to 1.88 children on average. This is clearly the largest registered average number of live births. The age cohorts that were past the reproductive age in 2011 had, on average, between 1.85 children (generation born in 1931) and 1.75 children (generations born in 1937, 1938, 1939, 1940 and 19...