The best way to start advocating for orphans is to become as informed about the orphan crisis as you can. When you gather information and seek to be more educated about the issue, you will be able to share what you know with others, encouraging them to join you in the movement to care for orphans! HERE ARE SEVEN STATISTICS YOU SHOULD KNOW: It is estimated that more than 140 million children worldwide, ranging from infants to teenagers, have lost one or both of their parents.