Diagnostic exams in United States

United States: Diagnostic exams was 84.50 million Exams in 2021. ▲ 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.

Diagnostic exams in United States, year by year

Annual values for Diagnostic exams in United States, 1995 to 2021.
Year Exams Change
1995 21.00 million Exams —
1996 22.60 million Exams +7.6%
1997 25.10 million Exams +11.1%
1998 26.30 million Exams +4.8%
1999 30.60 million Exams +16.3%
2000 34.90 million Exams +14.1%
2001 39.60 million Exams +13.5%
2002 45.40 million Exams +14.6%
2003 50.10 million Exams +10.4%
2004 53.90 million Exams +7.6%
2005 57.60 million Exams +6.9%
2006 62.00 million Exams +7.6%
2007 68.70 million Exams +10.8%
2008 73.10 million Exams +6.4%
2009 77.50 million Exams +6.0%
2010 81.90 million Exams +5.7%
2011 85.30 million Exams +4.2%
2012 80.60 million Exams -5.5%
2013 76.00 million Exams -5.7%
2014 81.20 million Exams +6.8%
2015 78.70 million Exams -3.1%
2016 82.00 million Exams +4.2%
2017 83.30 million Exams +1.6%
2018 88.70 million Exams +6.5%
2019 91.40 million Exams +3.0%
2020 73.00 million Exams -20.1%
2021 84.50 million Exams +15.8%

United States compared with similar countries

  • United States's 84.50 million Exams is above the median for high income countries, which is 1.99 million Exams, 42.4× the median. (24 countries reporting)

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. 1 Poland 5.90 million Exams compare
  2. 2 France 16.60 million Exams compare
  3. 2 Netherlands 2.49 million Exams compare
  4. 3 Germany 14.72 million Exams compare
  5. 3 Lithuania 536,912 Exams compare
  6. 3 Croatia 712,170 Exams compare
  7. 4 Latvia 490,840 Exams compare
  8. 4 Spain 7.54 million Exams compare
  9. 4 Moldova 178,170 Exams compare

See the full ranking of 38 places →

More reference data data for United States

All data for United States →

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 14 November 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.