سماعة الأذن الجهاز الهضمي انتهت صلاحيته births per 1000 صيح جزيرة الكاتراز شباب
Crude birth rate, live births per 1,000 population, by province and territory, Canada, 2013 – The Health of Canada's Children and Youth
Births per 1000 population by age | Download Scientific Diagram
Image: United States birth rate (births per 1000 population). The red segment from 1946 to 1964 is the postwar baby boom, with birth rates starting to drop around 1960.