Nursing has a clear hierarchy of roles, each with different education requirements, responsibilities, and pay. The levels range from entry-level positions requiring about a year of training to doctoral degrees that can take a decade or more to complete. Understanding these levels helps whether you’re choosing your first nursing path or planning a move up from where you are now.
Licensed Practical Nurse (LPN)
The LPN is the first licensed nursing role and the fastest way into the profession. You need a high school diploma or equivalent, then completion of an accredited practical nursing program, which typically takes about one year at a community college, technical school, or hospital-based program. After finishing, you must pass the NCLEX-PN licensing exam, which focuses on care coordination, data collection, safety, infection control, and the practical aspects of patient care.
LPNs provide basic but essential patient care. They monitor patient health, update medical records, administer treatments, and assist registered nurses and physicians. Their scope of practice is narrower than an RN’s, so they typically work under supervision rather than independently. The median annual wage for LPNs was $62,340 in 2024.
Registered Nurse (RN)
Registered nurses have a broader scope of practice than LPNs, including assessment, care management, IV therapy, blood transfusions, and more complex clinical decision-making. To become an RN, you need to pass the NCLEX-RN exam, which tests a deeper range of concepts including advanced critical thinking, ethical and legal scenarios, and management of care. There are three educational paths to get there.
Diploma Program
These hospital-based or vocational programs take about two years and are the oldest path to becoming an RN. They don’t result in a college degree, and fewer programs offer this option today.
Associate Degree in Nursing (ADN)
An ADN is a two- to three-year program, usually at a community college. It’s the most common entry point for new RNs who want to start working quickly. The training focuses heavily on clinical patient care skills.
Bachelor of Science in Nursing (BSN)
A BSN takes four years and provides broader, more comprehensive training than an ADN. Beyond clinical skills, the curriculum covers public health, nursing ethics, pathophysiology, and microbiology. This distinction matters in the job market: many healthcare facilities now prefer or exclusively hire BSN-prepared nurses. A BSN also earns a higher salary and is required if you ever plan to enter a graduate nursing program.
If you already have an ADN and want to advance, RN-to-BSN bridge programs let you complete the bachelor’s degree in as little as four semesters while continuing to work. The median annual wage for registered nurses, regardless of educational path, was $93,600 in 2024.
Advanced Practice Registered Nurse (APRN)
APRNs represent a significant jump in responsibility. They can assess patients, diagnose conditions, order tests, and prescribe medications. The minimum educational requirement is a Master of Science in Nursing (MSN), which takes roughly 1.5 to 2 years beyond a BSN, though many programs increasingly require or recommend a Doctor of Nursing Practice (DNP) degree. Total training time from the start of your education varies by specialty, generally ranging from 6 to 10 years.
There are four distinct APRN roles, each with its own specialty focus:
- Certified Nurse Practitioner (CNP): Provides primary or specialty care, often serving as a patient’s main healthcare provider. Nurse practitioners can specialize further in areas like family practice, pediatrics, psychiatric-mental health, or adult-gerontology.
- Certified Registered Nurse Anesthetist (CRNA): Administers anesthesia for surgical and other medical procedures. This is one of the most rigorous paths, requiring a minimum of 8 to 10 years of education and training.
- Certified Nurse Midwife (CNM): Provides reproductive and prenatal care, delivers babies, and manages postpartum health.
- Clinical Nurse Specialist (CNS): Focuses on improving care quality within a specific patient population or clinical setting, often combining direct patient care with system-level improvements.
The median annual pay for nurse anesthetists, nurse midwives, and nurse practitioners combined was $132,050 in 2024.
Doctoral-Level Nursing
A doctorate is the highest level of nursing education, and there are two distinct types with very different career outcomes.
The Doctor of Nursing Practice (DNP) is practice-focused. DNP-prepared nurses most commonly hold nurse practitioner titles and work in advanced clinical roles. The degree builds on what APRNs already do, adding competencies in systems-level thinking and evidence-based practice leadership. DNP graduates tend to be younger and remain in direct patient care positions.
The PhD in Nursing is research-focused. PhD-prepared nurses are more likely to hold administrative or leadership positions than clinical ones, and they tend to be about 10 years older than their DNP counterparts. Their work centers on generating new knowledge through research and advancing the science of nursing.
For someone aiming at high-level hospital administration, like a director of nursing, the full path from initial education through the credentials and experience needed can take 15 years or more.
Specialty Certifications
Beyond the core levels, nurses at the RN and APRN level can earn specialty certifications that demonstrate expertise in a particular area. The American Nurses Credentialing Center alone offers certifications in more than a dozen specialties, including cardiac-vascular nursing, pediatric nursing, psychiatric-mental health nursing, pain management, medical-surgical nursing, informatics, ambulatory care, and gerontology. There are also certifications for nurse executives and nursing professional development specialists.
These certifications don’t change your level in the nursing hierarchy, but they can open doors to specialized units, increase your earning potential, and signal advanced competence to employers. Most require a combination of clinical experience hours and passing a specialty exam.
How the Levels Compare at a Glance
- LPN: 1 year of training, NCLEX-PN exam, $62,340 median pay
- RN (ADN): 2 to 3 years of training, NCLEX-RN exam, $93,600 median pay
- RN (BSN): 4 years of training, NCLEX-RN exam, $93,600 median pay (with stronger hiring prospects)
- APRN (MSN): 6 to 10 years total, specialty certification, $132,050 median pay
- Doctoral (DNP or PhD): 8+ years total, highest clinical or research/leadership roles
Each level builds on the one before it, and bridge programs exist at nearly every transition point. The path you choose depends on how quickly you want to start working, how much autonomy you want in clinical practice, and whether your long-term goals lean toward patient care, leadership, or research.