6. Cardiology
Average residential salary: $59,000
Cardiologists are becoming more and more important as we reach new levels of technological advancement. Stress, and unhealthy food due to a lack of time tend to lead towards a number of cardiovascular diseases. Cardiology deals with heart diseases and diseases of other parts of the cardiovascular system, like blood vessels. It’s no wonder why cardiology is a much-sought field for residents as they tend to treat a vast number of people, earning hefty salaries along the way.