Breast cancer is the number one cancer among women globally. Breast imaging-based screening is important for the early detection of breast cancer and decreases mortality rates significantly. Breast cancer screening guidelines vary worldwide, and it is important to know about the variations in screening guidelines in different countries. Japan, China, and Germany are three countries with national screening programs only while, the United States and India have nationally recommended guidelines but not national screening programs. In this review, we aim to outline the screening guidelines in the 5 countries with the highest Gross Domestic Product and offer insights into relevant screening practices across different nations.