Though there is no statistics for cardiologist under the U.S. Bureau of Labor Statistics, there is an overall 22 percent increase for employment of all physicians between 2008-2018. This would equal to about 144,100 new job openings for physicians. The median salary of non-invasive cardiologist was $307,898 while it was $321,080 for invasive cardiologist. The median salary for pediatric cardiologist was $234,426. These salaries were based off of ones taken in May 2011.
Links: http://degreedirectory.org/articles/Cardiologist_Job_Duties_Occupational_Outlook_and_Education_Prerequisites.html
Links: http://degreedirectory.org/articles/Cardiologist_Job_Duties_Occupational_Outlook_and_Education_Prerequisites.html