In 2009, there were an estimated 90,370 physicians or 1 per every 833 people, 480,910 nurses and 43,220 dentists. Retention of skilled practitioners is a problem. Seventy percent of nursing graduates go overseas to work. , the Philippines was the largest supplier of nurses for export. The Philippines suffers a triple burden of high levels of communicable diseases, high levels of non-communicable diseases, and high exposure to natural disasters.