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Data

Rate of measles cases by state in the United States

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Vaccination

About this data

Rate of measles cases by state in the United States
The number of measles cases per 100,000 population.
Source
Public Health Reports (1921-1925); Centers for Disease Control and Prevention (1959-2024); Project Tycho (2018) – with major processing by Our World in Data
Last updated
January 22, 2025
Next expected update
January 2026
Date range
1900–2022
Unit
cases per 100,000 population

Sources and processing

This data is based on the following sources

Project Tycho datasets contain information from external sources of disease surveillance data, such as the United States Centers for Disease Control or the World Health Organization. Data from some sources were already in the public domain, whereas data from other sources were not public before inclusion in Project Tycho datasets. The Project Tycho team has obtained permission for redistribution of data that was not previously public, from agencies that collected and owned the data. All pre-compiled Project Tycho datasets contain count data that are identical to counts published in the original source and no counts have been modified in any way by the Project Tycho team. The Project Tycho team has curated datasets by adding new variables, such as standard identifiers for reported conditions, locations, and pathogens, and by re-representing reported information in a standard data format.

Retrieved on
January 22, 2025
Retrieved from
https://zenodo.org/records/11452259
Citation
This is the citation of the original data obtained from the source, prior to any processing or adaptation by Our World in Data. To cite data downloaded from this page, please use the suggested citation given in Reuse This Work below.
Van Panhuis, W., Cross, A., Burke, D., Counts of Measles reported in UNITED STATES OF AMERICA: 1888-2002 (version 2.0, April 1, 2018): Project Tycho data release, DOI: 10.25337/T7/ptycho.v2.0/US.14189004

Reported cases of measles by state, for the United States. The cases are split by those that are indigenous (those that were infected in the United States) and imported (those that were infected outside of the United States).

Retrieved on
April 2, 2025
Retrieved from
https://www.cdc.gov/mmwr/mmwr_nd/index.html
Citation
This is the citation of the original data obtained from the source, prior to any processing or adaptation by Our World in Data. To cite data downloaded from this page, please use the suggested citation given in Reuse This Work below.
Centers for Disease Control and Prevention. National Notifiable Diseases Surveillance System (NNDSS) Annual Summary Data for years 2016-2022, United States, CDC WONDER online database. Accessed at http://wonder.cdc.gov/nndss-annual-summary.html on Jan 26, 2025 5:53:12 AM.

Centers for Disease Control and Prevention – Reported measles cases - CDC

Retrieved on
April 2, 2025

Reported cases of measles by state, for the United States. The cases are split by those that are indigenous (those that were infected in the United States) and imported (those that were infected outside of the United States).

Retrieved on
January 26, 2025
Retrieved from
https://wonder.cdc.gov/controller/saved/D130/D422F203
Citation
This is the citation of the original data obtained from the source, prior to any processing or adaptation by Our World in Data. To cite data downloaded from this page, please use the suggested citation given in Reuse This Work below.
Centers for Disease Control and Prevention. National Notifiable Diseases Surveillance System (NNDSS) Annual Summary Data for years 2016-2022, United States, CDC WONDER online database. Accessed at http://wonder.cdc.gov/nndss-annual-summary.html on Jan 26, 2025 5:53:12 AM.

Data for "Resident Population" from 1900 to present are estimates as of July 1.

Retrieved on
January 23, 2025
Retrieved from
https://fred.stlouisfed.org/release/tables?rid=118&eid=259194#snid=259195
Citation
This is the citation of the original data obtained from the source, prior to any processing or adaptation by Our World in Data. To cite data downloaded from this page, please use the suggested citation given in Reuse This Work below.
U.S. Census Bureau, Resident Population of each state, retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/ALPOP, January 23, 2025.

How we process data at Our World in Data

All data and visualizations on Our World in Data rely on data sourced from one or several original data providers. Preparing this original data involves several processing steps. Depending on the data, this can include standardizing country names and world region definitions, converting units, calculating derived indicators such as per capita measures, as well as adding or adapting metadata such as the name or the description given to an indicator.

At the link below you can find a detailed description of the structure of our data pipeline, including links to all the code used to prepare data across Our World in Data.

Read about our data pipeline

Reuse this work

  • All data produced by third-party providers and made available by Our World in Data are subject to the license terms from the original providers. Our work would not be possible without the data providers we rely on, so we ask you to always cite them appropriately (see below). This is crucial to allow data providers to continue doing their work, enhancing, maintaining and updating valuable data.
  • All data, visualizations, and code produced by Our World in Data are completely open access under the Creative Commons BY license. You have the permission to use, distribute, and reproduce these in any medium, provided the source and authors are credited.

Citations

How to cite this page

To cite this page overall, including any descriptions, FAQs or explanations of the data authored by Our World in Data, please use the following citation:

“Data Page: Rate of measles cases by state in the United States”, part of the following publication: Samantha Vanderslott, Saloni Dattani, Fiona Spooner, and Max Roser (2022) - “Vaccination”. Data adapted from Project Tycho, Centers for Disease Prevention and Control, Centers for Disease Control and Prevention, U.S. Census Bureau. Retrieved from https://data-oecd-update-code.owid.pages.dev/grapher/reported-measles-case-rate-by-state-in-the-united-states [online resource]
How to cite this data

In-line citationIf you have limited space (e.g. in data visualizations), you can use this abbreviated in-line citation:

Public Health Reports (1921-1925); Centers for Disease Control and Prevention (1959-2024); Project Tycho (2018) – with major processing by Our World in Data

Full citation

Public Health Reports (1921-1925); Centers for Disease Control and Prevention (1959-2024); Project Tycho (2018) – with major processing by Our World in Data. “Rate of measles cases by state in the United States” [dataset]. Project Tycho, “Project Tycho - Measles cases”; Centers for Disease Prevention and Control, “CDC Summary of Notifiable Infectious Diseases - Measles”; Centers for Disease Control and Prevention, “Reported measles cases - CDC”; Centers for Disease Control and Prevention, “National Notifiable Diseases Surveillance System - Measles”; U.S. Census Bureau, “Annual Estimates of the Population for each of the States in the USA” [original data]. Retrieved July 10, 2025 from https://data-oecd-update-code.owid.pages.dev/grapher/reported-measles-case-rate-by-state-in-the-united-states