First-time mothers were on average the youngest in the Posavska statistical region (28.4 years) and were on average 2.3 years younger than those in the Obalno-kraška statistical region.
V povprečju višja od 30 let je bila tudi v osrednjeslovenski statistični regiji (30,1 leta). Novosti v bazi SiStat Podatke o rojenih za leto 2018, že objavljene v objavi dne 21.