BCSC Mammography Data

Mammograms by Race/Ethnicity, 1996-2023

Race/Ethnicity	Percentage of Mammograms	Percentage of US Women
American Indian or Alaska Native	0.3%	0.6%
Asian or Pacific Islander	9.5%	6.5%
Black	10.4%	12.2%
Hispanic	5.2%	16.5%
White	72.8%	60.3%
Other or Multiple (2+ races)	1.7%	3.9%

This table shows the racial/ethnic distribution of 13,719,808 mammograms recorded in 1996-2023 from 8 BCSC sites. The BCSC’s standardized questions for race and ethnicity were asked in a similar manner as on the US census from 2000-2020.

The racial/ethnic distribution among 133.0 million US women age 18+ years in 2020 is shown for comparison.*

Note: All categories are non-Hispanic except the Hispanic category.

Note: The numbers in the table at the left exclude N=764,303 mammograms with missing race. Missingness is due primarily to women choosing not to self-report race and certain facilities not collecting race information.

*U.S. Census Bureau. 2023. 2020 Census Demographic and Housing Characteristics File (DHC), Tables P12H–P12O. Retrieved from data.census.gov.

Number of Screening Mammograms per Woman, 1996-2023

One strength of the BCSC is the ability to follow women longitudinally. This figure shows the number of screening mammograms per woman in 8 BCSC sites in 1996-2023. While approximately 28% of the women have only one screening mammogram in BCSC data, it should not be interpreted that these women had only one mammogram in twenty-eight years. The women may have had screening mammograms at facilities that were not in the BCSC. For women with multiple exams in the BCSC, we can examine patterns and screening performance over time.

Volume of Film, Digital, and 3D Mammograms in the BCSC by Year, 1996-2023

The BCSC data reflect the large changes over time in the types of mammograms used in U.S. community practice. Until the early 2000s almost all mammograms were film, then digital mammograms became common, followed in recent years by the growth in 3D mammography (also known as tomosynthesis). Film mammography has all but disappeared.

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Note: These graphs support special accessibility features in the Google Chrome browser. To use these features, please download the required Chrome browser extension here.

Number of Film, Digital, and 3d Mammograms in the bcsc by year, 1996-2023

Associated with figure above.

Year	Film	Digital	Tomosynthesis	Mammogram, NOS	Total
1996	201,158	.	.	5	201,163
1997	324,956	.	.	56	325,012
1998	421,278	.	.	151	421,429
1999	448,495	.	.	194	448,689
2000	476,638	6	.	79	476,723
2001	476,145	8,315	.	7,851	492,311
2002	544,069	25,119	.	4,109	573,297
2003	525,178	41,042	.	3,539	569,759
2004	512,161	63,697	.	14,105	589,963
2005	512,989	90,907	.	42,985	646,881
2006	449,500	177,418	.	31,948	658,866
2007	340,956	312,692	.	9,918	663,566
2008	245,865	449,905	.	2,130	697,900
2009	137,779	567,161	.	2,390	707,330
2010	75,677	606,691	.	1,643	684,011
2011	45,668	570,975	2,640	526	619,809
2012	26,093	572,798	19,033	344	618,268
2013	22,106	569,091	41,733	4,189	637,119
2014	16,231	505,231	81,340	3,238	606,040
2015	10,206	412,025	136,418	15,117	573,766
2016	5,222	308,839	200,398	22,550	537,009
2017	5,097	212,059	267,557	787	485,500
2018	4,548	190,470	340,345	785	536,148
2019	2,004	171,071	391,331	778	565,184
2020	.	81,726	205,998	749	288,473
2021	.	61,243	324,247	1,005	386,495
2022	.	41,934	336,970	1,012	379,916
2023	.	2,895	90,540	49	93,484
Total	5,830,019	6,043,310	2,438,550	172,232	14,484,111

Sensitivity and Specificity of Screening Digital Mammography by BI-RADS Density, Women 40-74 years, 2012-2021

N = 2,658,393 screening exams

The following must be cited when reproducing this data:

"The Breast Cancer Surveillance Consortium and its data collection and sharing activities are funded by grants from the National Cancer Institute (P01CA154292, U54CA163303), Patient-Centered Outcomes Research Institute (PCS-1504-30370), and Agency for Health Research and Quality (R01 HS018366-01A1). Downloaded xx/xx/xxxx from the Breast Cancer Surveillance Consortium Web site - http://www.bcsc-research.org/. More information regarding the BCSC is available at: http://bcsc-research.org/."