The document discusses 10 popular nursing specialties in 2021 and beyond. It provides an overview of each specialty including job description, average salary, and projected growth trajectory. The most popular specialties include registered nurse, family nurse practitioner, critical care nurse, travel nurse, pediatric nurse, geriatric nurse, home health nurse, certified registered nurse anesthetist, certified nurse midwife, and public health nurse. All salaries cited are national averages and can depend on location and demand factors. Nursing is listed as one of the fastest growing industries in the US with most specialties projected to see double digit growth through 2028.