Iron-deficiency anemia is a common anemia (low red blood cell or hemoglobin levels) caused by insufficient dietary intake and absorption of iron, and/or iron loss from bleeding which can originate from a range of sources such as the intestinal, uterine or urinary tract.Iron deficiency causes approximately half of all anemia cases worldwide, and affects women more often than men. World estimates of iron deficiency occurrence are somewhat vague, but the true number probably exceeds one billion people, This is a descriptive study carried out on 1365 patients in different age and gender in the Department of hematology at special Laboratory in south Amman the capital of Jordan between January 2012 to December 2013 using a Celtic instruments and blood film for identification of anemia. The subjects, Red blood cell size and color, concentration of hemoglobin, the percentage of blood volume, were further confirmed for iron deficiency anemia Ferritin test were done. Objective was to determine the Prevalence of Iron deficiency Anemia in childbearing age, adolescent girls, menopause age , toddlers and finally adult male. Prevalence of Iron deficiency Anemia was found to be the predominant in the population which was 42.8 %. Among the Iron deficiency Anemia positive (37.5% females, 15% males) . Iron deficiency Anemia was in female more than male . We conclude iron deficiency are still relatively common in adolescent girls, and women of childbearing age. alarming condition about Iron deficiency Anemia in Jordan.