從美國護士協會搬來的數據，蠻有意思。總共5百萬，相比醫生人數5：1

Nursing Workforce Fact Sheet

• Nursing is the nation's largest healthcare profession, with nearly 5.2 million registered nurses (RNs) nationwide. Of all licensed RNs, 89% are employed in nursing.1
   
• The median age of RNs is 46 years. More than one-quarter of registered nurses report that they plan to leave nursing or retire over the next five years.1
   
• Considering racial backgrounds, the breakdown of RN population in 2022 was 80% White/Caucasian; 7.4% Asian; 6.3% Black/African American; 2.5% more than one race; 0.4% Native American or Alaska Native; and 0.4% Native Hawaiian or other Pacific Islander. In addition, 6.9% of the RN workforce report their ethnicity as Hispanic.1
   
• From 2020 to 2022, the percentage of men in nursing increased from 9.4% to 11.2%.1
   
• The federal government projects that more than 203,000 new registered nurse positions will be created each year from 2021-2031.2
   
• Registered Nurses comprise one of the largest segments of the U.S. workforce as a whole and are among the highest paying large occupations. Nearly 55% of RNs worked in general medical and surgical hospitals, with an average salary of $77,600 per year according to the Bureau of Labor Statistics.2
   
• Nurses comprise the largest component of the healthcare workforce, are the primary providers of hospital patient care, and deliver most of the nation's long-term care.