STEM

Physicist

Study matter, energy, and forces through experiments and math to explain how the universe works

Open interactive guide

What does a Physicist do?

Physicists work in university labs, national labs, and companies that build lasers, chips, and medical tools. They design experiments, analyze data, and write papers. It takes many years of school and patience, so it suits stubborn, curious people who love asking why.

A day in the life

9:00 AMCheck overnight data from a laser experiment
10:00 AMFix an alignment problem in the lab equipment
11:30 AMWrite code to analyze the measurements
1:30 PMMeet your research group to compare results
3:00 PMDraft a section of a paper or a funding request
4:30 PMAnswer a graduate student's questions

What's great

  • Chase questions no one has answered
  • Skills useful in tech, energy, and medicine
  • Work with lasers, telescopes, and big machines
  • Teaching and research can be combined

The hard parts

  • A doctorate takes about five to seven years
  • Few permanent research jobs open each year
  • Research funding depends on grants
  • Early jobs may move you around the country

What is a Physicist's salary and outlook?

$84k – $210k
Salary Range
Doctorate / Professional degree
Typical Education
Growing

Typical pay in this guide runs from about $84,000 to $210,000 a year, with a midpoint around $140,000. These are planning figures for students, not a job offer or an official wage.

CareerLens rates the outlook as Growing.

For the official national outlook, see BLS Occupational Data.

How do you become a Physicist?

A common path is PhD in physics after a bachelor's degree in physics. The ladder often runs from Postdoctoral Researcher to Research Physicist, then Senior Scientist or Professor, and Laboratory Director. Other routes: Bachelor's or master's in physics for lab and industry roles; Use physics skills in engineering or data careers; Teach high school physics with a bachelor's degree; Postdoctoral research before a faculty job.

  • Bachelor's or master's in physics for lab and industry roles
  • Use physics skills in engineering or data careers
  • Teach high school physics with a bachelor's degree
  • Postdoctoral research before a faculty job

Career path

Entry level
Postdoctoral Researcher
Mid career
Research Physicist
Senior
Senior Scientist or Professor
Executive
Laboratory Director

Will AI replace a Physicist?

How much will AI change this job?

A lot

AI will change many everyday tasks in this job. The work shifts toward judgment, checking, and people.

AI takes on data crunching, but physicists still discover new ideas.

Physicists will use AI to run simulations, analyze huge datasets, and speed up calculations. This frees up time for designing experiments, asking new questions, and understanding what the results really mean. The core job still needs sharp human thinking and creativity.

AI can help with

  • Running complex simulations and calculations faster
  • Sorting through huge amounts of experimental data
  • Writing and debugging research code

What stays human

  • Designing original experiments to test new ideas
  • Explaining surprising results and their real meaning
  • Collaborating with other scientists to solve big questions

Skills to build now

  • Practice math and physics problem-solving regularly
  • Join a science fair or robotics club
  • Learn basic coding to analyze data

Based on public research from Anthropic and OpenAI, drafted with AI, checked automatically, and read by a person. How we know

This describes how the work may change. It is not a prediction that the job will disappear.