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Radiation Therapist vs Registered Respiratory Therapist

In 2025, the median salary for Radiation Therapist was $4,580 (4.1%) higher than for Registered Respiratory Therapist: $116,911 against $112,331. Radiation Therapist had 406 people on the list, Registered Respiratory Therapist 592.

At a glance

Radiation TherapistRegistered Respiratory Therapist
People on the 2025 list406592
Median salary$116,911$112,331
Middle half$111,008–$132,445$107,648–$121,596
Highest salary$159,231$261,468
Total salaries$49,169,289$69,494,322
People, change+31.0% vs 2024+3.0% vs 2024
Median, change−0.2% vs 2024−1.8% vs 2024

Median salary by year

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YearRadiation TherapistRegistered Respiratory Therapist
2015$103,468
2016$104,136
2017$103,703
2018$106,165
2019$104,250
2020$102,367$105,204
2021$103,858$107,180
2022$101,514$107,951
2023$104,852$109,990
2024$117,101$114,386
2025$116,911$112,331

People on the list by year

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YearRadiation TherapistRegistered Respiratory Therapist
20157
20169
201714
201825
201949
202017173
202114213
202225261
2023202465
2024310575
2025406592

Highest paid in 2025

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Questions and answers

Which pays more, Radiation Therapist or Registered Respiratory Therapist?

By median salary in 2025, Radiation Therapist: $116,911 against $112,331.

Which has more people on the list?

Registered Respiratory Therapist: 592 against 406 in 2025.

How has the gap changed since 2020?

In 2020 the median for Radiation Therapist was $102,367 and for Registered Respiratory Therapist $105,204, a gap of $2,837; in 2025 the gap was $4,580.

What do these figures cover?

Only people paid $100,000 or more are on the list, so medians and counts describe them, not everyone with each title.

What does “salary paid” include?

What the employer paid in the calendar year, so it can include overtime, retroactive pay, vacation payouts, severance or a partial year. Taxable benefits are listed separately. How the lists work