Diagnostic exams in United States

United States: Diagnostic exams was 84.50 million Exams in 2021. β–² Rising

Latest (2021)
84.50 million Exams
Change on year
up 15.8%
World rank
1st
of 28 countries
All-time high
91.40 million Exams
in 2019
All-time low
21.00 million Exams
in 1995
Years of data
27
1995–2021

Diagnostic exams in United States, 1995–2021

20.0M40.0M60.0M80.0M100.0M1995200820211995: 21.0M Exams1996: 22.6M Exams1997: 25.1M Exams1998: 26.3M Exams1999: 30.6M Exams2000: 34.9M Exams2001: 39.6M Exams2002: 45.4M Exams2003: 50.1M Exams2004: 53.9M Exams2005: 57.6M Exams2006: 62.0M Exams2007: 68.7M Exams2008: 73.1M Exams2009: 77.5M Exams2010: 81.9M Exams2011: 85.3M Exams2012: 80.6M Exams2013: 76.0M Exams2014: 81.2M Exams2015: 78.7M Exams2016: 82.0M Exams2017: 83.3M Exams2018: 88.7M Exams2019: 91.4M Exams2020: 73.0M Exams2021: 84.5M Exams

Source: Organisation for Economic Co-operation and Development. Measured in Exams.

Analysis

United States recorded 84.50 million Exams for diagnostic exams in 2021.

Compared with earlier readings it is up 15.8% on the previous year and down 0.9% over ten years.

Over the whole period, diagnostic exams in United States peaked at 91.40 million Exams in 2019 and was at its lowest, 21.00 million Exams, in 1995.

United States ranks 1st of 28 countries on this measure, in the top 10%.

The long-run direction has been consistently rising across the 27 years of available data.

Averages by decade

DecadeAverage LowestHighest Years
1990s 25.12 million Exams 21.00 million Exams 30.60 million Exams 5
2000s 56.28 million Exams 34.90 million Exams 77.50 million Exams 10
2010s 82.91 million Exams 76.00 million Exams 91.40 million Exams 10
2020s 78.75 million Exams 73.00 million Exams 84.50 million Exams 2

Countries ranked near United States

  1. 2 France 16.60 million Exams compare
  2. 3 Germany 14.72 million Exams compare
  3. 4 Spain 7.54 million Exams compare

See the full ranking of 38 places β†’

More reference data data for United States

All data for United States β†’

Frequently asked questions

What is diagnostic exams in United States?
Diagnostic exams in United States was 84.50 million Exams in 2021, according to Organisation for Economic Co-operation and Development.
What is the highest diagnostic exams recorded in United States?
The highest recorded value was 91.40 million Exams in 2019.
What is the lowest diagnostic exams recorded in United States?
The lowest recorded value was 21.00 million Exams in 1995.
How does United States rank for diagnostic exams?
United States ranks 1st out of 28 countries with data for 2021.
Is diagnostic exams rising or falling in United States?
Over the last ten years it is down 0.9%. The long-run trend across the full record is rising.
Where does this United States data come from?
The figures come from Organisation for Economic Co-operation and Development, published as part of Diagnostic exams. Statizoid updates them automatically from the source API.

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Diagnostic exams in United States. Statizoid, drawing on Organisation for Economic Co-operation and Development. Retrieved 20 August 2026, from https://reference.statizoid.com/stat/diagnostic-exams/united-states/

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About this data

Indicator
Diagnostic exams
Unit
Exams
Source
Organisation for Economic Co-operation and Development
Licence
OECD Terms and Conditions (attribution required)
Coverage
38 places, 642 data points, 1995–2025
Last refreshed

An exam is defined as a medical imaging session to study one (or more than one) body part that yields one or more views for diagnostic purposes. Data are collected for Computed Tomography (CT) exams, Magnetic Resonance Imaging (MRI) exams, and Positron Emission Tomography (PET) exams. Data are collected for the total number of exams and for the breakdown between hospitals and ambulatory care providers. Please refer to the Sources and Methods for detailed country-specific information.