As seen in the graph, there has been a sharp decline in the number of reported cases of both measles and pertussis (whooping cough) since 1980 as a result of vaccines. This statistic shows the number of reported cases of selected vaccine-preventable diseases worldwide, from 1980 to 2023, by disease.

Note: In these datasets, a person is defined as up to date if they have received at least one dose of an updated COVID-19 vaccine. The Centers for Disease Control and Prevention (CDC) recommends that certain groups, including adults ages 65 years and older, receive additional doses.

On 6/16/2023 CDPH replaced the booster measures with a new “Up to Date” measure based on CDC’s new recommendations, replacing the primary series, boosted, and bivalent booster metrics The definition of “primary series complete” has not changed and is based on previous recommendations that CDC has since simplified. A person cannot complete their primary series with a single dose of an updated vaccine. Whereas the booster measures were calculated using the eligible population as the denominator, the new up to date measure uses the total estimated population. Please note that the rates for some groups may change since the up to date measure is calculated differently than the previous booster and bivalent measures.

This data is from the same source as the Vaccine Progress Dashboard at https://covid19.ca.gov/vaccination-progress-data/ which summarizes vaccination data at the county level by county of residence. Where county of residence was not reported in a vaccination record, the county of provider that vaccinated the resident is included. This applies to less than 1% of vaccination records. The sum of county-level vaccinations does not equal statewide total vaccinations due to out-of-state residents vaccinated in California.

These data do not include doses administered by the following federal agencies who received vaccine allocated directly from CDC: Indian Health Service, Veterans Health Administration, Department of Defense, and the Federal Bureau of Prisons.

Totals for the Vaccine Progress Dashboard and this dataset may not match, as the Dashboard totals doses by Report Date and this dataset totals doses by Administration Date. Dose numbers may also change for a particular Administration Date as data is updated.

Previous updates:

• On March 3, 2023, with the release of HPI 3.0 in 2022, the previous equity scores have been updated to reflect more recent community survey information. This change represents an improvement to the way CDPH monitors health equity by using the latest and most accurate community data available. The HPI uses a collection of data sources and indicators to calculate a measure of community conditions ranging from the most to the least healthy based on economic, housing, and environmental measures.

• Starting on July 13, 2022, the denominator for calculating vaccine coverage has been changed from age 5+ to all ages to reflect new vaccine eligibility criteria. Previously the denominator was changed from age 16+ to age 12+ on May 18, 2021, then changed from age 12+ to age 5+ on November 10, 2021, to reflect previous changes in vaccine eligibility criteria. The previous datasets based on age 16+ and age 5+ denominators have been uploaded as archived tables.

• Starting on May 29, 2021 the methodology for calculating on-hand inventory in the shipped/delivered/on-hand dataset has changed. Please see the accompanying data dictionary for details. In addition, this dataset is now down to the ZIP code level.

The development of vaccination by Edward Jenner in 1796 is seen by many as one of the most important and world-changing medical discoveries ever made. Throughout human history, smallpox was responsible for an untold and innumerable share of fatalities, with epidemics devastating countries (and even continents) in their wake; as of 1980, the World Health Organization declared smallpox to be eliminated in nature, making it the only human disease to have been successfully eradicated. If we look at the share of smallpox deaths in England over the nineteenth century, we can see the impact that vaccination had on society during this time. Decline in Britain Within this century, the number of people dying annually from smallpox dropped from 3,000 per million people in the 1700s, to just ten people per million in the 1890s (it is also worth noting that a smallpox pandemic swept across Britain between 1891 and 1893, which caused this number to be higher than it could have been). Mandatory vaccination was not introduced in England until 1853, but by this point the number of smallpox deaths per million people had already fallen to a fraction of its eighteenth century level, and compulsory vaccination reduced these numbers even further.

This dataset contains selected results of rigorous numerical computations described in Section 5 of the paper "Rich bifurcation structure in a two-patch vaccination model" by D.H. Knipl, P. Pilarczyk, G. Röst, published in SIAM Journal on Applied Dynamical Systems (SIADS), Vol. 14, No. 2 (2015), pp. 980–1017, doi: 10.1137/140993934.

February 2nd Update

The AP has requested a timeseries dataset reporting daily counts for distributed and administered vaccines in the U.S. from the CDC. In the absence of that dataset, we are storing daily snapshots of the cumulative counts provided by the CDC COVID Data Tracker and compiling a timeseries dataset here. This process has captured cumulative counts going back to January 4th and daily counts of new doses administered and distributed going back to January 5th. The timeseries dataset also includes seven-day rolling average calculations for the daily metrics.

We have identified a few instances of decreasing cumulative counts in this timeseries, which result in single-day negative counts. We are treating these instances as corrections, and include the negative counts in the rolling averages.

We are investigating the cumulative count decreases and will update the timeseries dataset if necessary with additional information from the CDC. When the CDC provides its own timeseries dataset we will make that available here.

Overview

The AP is using data provided by the Centers for Disease Control and Prevention to report vaccine doses distributed and administered in the United States.

This data is from the CDC's COVID Data Tracker, which is updated daily. However, keep in mind that healthcare providers can report doses to federal, state, territorial, and local agencies up to 72 hours after doses are administered.

To learn more about AP's data journalism capabilities for publishers, corporations and financial institutions, go here or email kromano@ap.org.

Interactive

The AP has designed an interactive map to track COVID-19 vaccine counts reported by The CDC. @(https://interactives.ap.org/embeds/TUVpf/14/)

Interactive Embed Code

<iframe title="Tracking US COVID vaccinations" aria-label="Map" id="datawrapper-chart-TUVpf" src="https://interactives.ap.org/embeds/TUVpf/14/" scrolling="no" width="100%" style="border:none" height="548"></iframe><script type="text/javascript">!function(){"use strict";window.addEventListener("message",(function(a){if(void 0!==a.data["datawrapper-height"])for(var e in a.data["datawrapper-height"]){var t=document.getElementById("datawrapper-chart-"+e)||document.querySelector("iframe[src*='"+e+"']");t&&(t.style.height=a.data["datawrapper-height"][e]+"px")}}))}();</script>

Caveats

From The CDC: - Numbers reported on CDC’s website are validated through a submission process with each jurisdiction and may differ from numbers posted on other websites. - Differences between reporting jurisdictions and CDC’s website may occur due to the timing of reporting and website updates. - The process used for reporting doses distributed or people vaccinated displayed by other websites may differ.

Overall US COVID-19 Vaccine administration and vaccine equity data at county level. Data represents all vaccine partners including jurisdictional partner clinics, retail pharmacies, long-term care facilities, dialysis centers, Federal Emergency Management Agency and Health Resources and Services Administration partner sites, and federal entity facilities.

Covid vaccinated people per hundred people in Iceland, March, 2022 The most recent value is 83.07 Covid vaccinated people per hundred people as of March 2022, an increase compared to the previous value of 82.96 Covid vaccinated people per hundred people. Historically, the average for Iceland from December 2020 to March 2022 is 54.28 Covid vaccinated people per hundred people. The minimum of 1.31 Covid vaccinated people per hundred people was recorded in December 2020, while the maximum of 83.07 Covid vaccinated people per hundred people was reached in March 2022. | TheGlobalEconomy.com

This statistic shows the annual number of cases of select infectious diseases in the U.S. before and after the development and use of vaccinations as of 2022. Before the use of vaccinations there were an estimated 530,217 new cases of measles per year in the United States. This number dropped to 121 new cases in 2022 due to the development and use of vaccinations.

Immunization, BCG (% of one-year-old children) in Afghanistan was reported at 68 % in 2023, according to the World Bank collection of development indicators, compiled from officially recognized sources. Afghanistan - Immunization, BCG (% of one-year-old children) - actual values, historical data, forecasts and projections were sourced from the World Bank on March of 2025.

The annual pre-kindergarten (pre-K) through 12th grade school immunization survey collects school-level, grade-specific data on vaccine coverage and exemptions. The survey collects vaccination and exemption status data on children who entered the school system on or before a specified date during the fall semester. Individual vaccine information on each student is not collected. This table shows the percentage of kindergarten students vaccinated for each school-entry mandated vaccine series and the percentage with vaccination exemptions (medical or religious) reported by school. Percentage of students vaccinated is the number of students with the required number of doses of a given vaccine divided by the total number of students. Data includes all schools who reported students in kindergarten. School-mandated vaccine series for students enrolled in kindergarten are inactivated polio, DTaP (diphtheria, tetanus, and acellular pertussis), MMR (measles, mumps, and rubella), hepatitis B, varicella, and hepatitis A. Each child has 1 of 4 possible vaccination statuses: Vaccinated, Exempt (Religious), Exempt (Medical) or Not Complete. The criteria shown below are used to assess whether a child is considered vaccinated. • Polio = at least 3 doses of inactivated polio vaccine, with the last dose on or after their 4th birthday. This is a school entry requirement starting in kindergarten. • DTaP = at least 4 doses of DTaP vaccine, with the last dose on or after their 4th birthday. This is a school entry requirement starting in kindergarten. • MMR = at least 2 doses of MMR vaccine separated by at least 28 days, with the 1st dose on or after their 1st birthday. This is a school entry requirement starting in kindergarten. • HepB = at least 3 doses of hepatitis B vaccine, with the last dose on or after 24 weeks of age. This is a school entry requirement starting in kindergarten. • Varicella = at least 2 doses of varicella vaccine separated by at least 28 days, with the 1st dose on or after their 1st birthday, or a reliable history of chickenpox disease. This is a school entry requirement starting in kindergarten. • HepA = at least 2 doses of hepatitis A vaccine, given a minimum of six calendar months apart, with the 1st dose on or after their 1st birthday. This is a school entry requirement starting in kindergarten. • All = Percentage of students with all above vaccine series required for that grade level. Children without a record of vaccination, but with serologic proof of immunity to certain diseases (measles, mumps, rubella, hepatitis B, hepatitis A, and varicella), meet school entry requirements and may be counted as vaccinated. The values for schools with fewer than 30 enrolled kindergarteners are suppressed, and those fields are left blank.   Data Limitations and Considerations: • The school level data shown here are as tabulated and reported by schools and discrepancies may exist. • The Immunization Program identifies outliers and internally inconsistent data points and works with schools to resolve any data quality issues, when possible. • CT DPH cannot verify the accuracy of vaccine data for individual children or whether the documentation necessary to claim an exemption has been submitted. • Data are collected at the beginning of the school year, by which time vaccines are due. As the year progresses, immunization rates may increase as additional children receive required immunizations. Additionally, the student body is dynamic and as students arrive and leave school, the immunization rates are impacted. • Vaccine status is assessed on the level of the child and not on each vaccine. Once a child is listed as exempt, vaccination data is no longer collected in the survey for that child. Therefore, children with exemptions are not counted as vaccinated in the vaccine level assessments although they may have received some vaccines. • One school was excluded due to a data collection error.

This Power BI dashboard shows the COVID-19 vaccination rate by key demographics including age groups, race and ethnicity, and sex for Tempe zip codes.Data Source: Maricopa County GIS Open Data weekly count of COVID-19 vaccinations. The data were reformatted from the source data to accommodate dashboard configuration. The Maricopa County Department of Public Health (MCDPH) releases the COVID-19 vaccination data for each zip code and city in Maricopa County at ~12:00 PM weekly on Wednesdays via the Maricopa County GIS Open Data website (https://data-maricopa.opendata.arcgis.com/). More information about the data is available on the Maricopa County COVID-19 Vaccine Data page (https://www.maricopa.gov/5671/Public-Vaccine-Data#dashboard). The dashboard’s values are refreshed at 3:00 PM weekly on Wednesdays. The most recent date included on the dashboard is available by hovering over the last point on the right-hand side of each chart. Please note that the times when the Maricopa County Department of Public Health (MCDPH) releases weekly data for COVID-19 vaccines may vary. If data are not released by the time of the scheduled dashboard refresh, the values may appear on the dashboard with the next data release, which may be one or more days after the last scheduled release.Dates: Updated data shows publishing dates which represents values from the previous calendar week (Sunday through Saturday). For more details on data reporting, please see the Maricopa County COVID-19 data reporting notes at https://www.maricopa.gov/5460/Coronavirus-Disease-2019.

Vaccine administration characteristics for vaccinated children, n (%) (n = 1049).

The number of COVID-19 vaccination doses administered in Japan rose to 383747738 as of Oct 27 2023. This dataset includes a chart with historical data for Japan Coronavirus Vaccination Total.

Overall Trends in Number of COVID-19 Vaccinations in the US at national and jurisdictional levels. Data represents all vaccine partners including jurisdictional partner clinics, retail pharmacies, long-term care facilities, dialysis centers, Federal Emergency Management Agency and Health Resources and Services Administration partner sites, and federal entity facilities.

Objective Our objective is to assess the accuracy of the COVID-19 vaccination status within the Electronic Health Record for a panel of patients in a primary care practice when manual queries of the state immunization databases are required to access outside immunization records. Results A manual query of the local Immunization Information Systems for 4,114 adult patients with “unknown†vaccination status showed 44% of the patients were previously vaccinated. Attempts to assess the comprehensiveness of the Immunization Information Systems were hampered by incomplete documentation in the chart and poor response to patient outreach. Conclusions When the interface between the patient chart and the local Immunization Information System depends on a manual query for the transfer of data, the COVID-19 vaccination status for a panel of patients is often inaccurate. This study was reviewed by the University of Kansas Medical Center Institutional Review Board and was designated as a quality imp...

Immunization, measles (% of children ages 12-23 months) in Honduras was reported at 77 % in 2023, according to the World Bank collection of development indicators, compiled from officially recognized sources. Honduras - Immunization, measles (% of children ages 12-23 months) - actual values, historical data, forecasts and projections were sourced from the World Bank on March of 2025.

The number of COVID-19 vaccination doses administered per 100 people in Senegal rose to 17 as of Oct 27 2023. This dataset includes a chart with historical data for Senegal Coronavirus Vaccination Rate.

Note: This dataset is no longer being updated due to the end of the COVID-19 Public Health Emergency.

The California Department of Public Health (CDPH) is identifying vaccination status of COVID-19 cases, hospitalizations, and deaths by analyzing the state immunization registry and registry of confirmed COVID-19 cases. Post-vaccination cases are individuals who have a positive SARS-Cov-2 molecular test (e.g. PCR) at least 14 days after they have completed their primary vaccination series.

Tracking cases of COVID-19 that occur after vaccination is important for monitoring the impact of immunization campaigns. While COVID-19 vaccines are safe and effective, some cases are still expected in persons who have been vaccinated, as no vaccine is 100% effective. For more information, please see https://www.cdph.ca.gov/Programs/CID/DCDC/Pages/COVID-19/Post-Vaccine-COVID19-Cases.aspx

Post-vaccination infection data is updated monthly and includes data on cases, hospitalizations, and deaths among the unvaccinated and the vaccinated. Partially vaccinated individuals are excluded. To account for reporting and processing delays, there is at least a one-month lag in provided data (for example data published on 9/9/22 will include data through 7/31/22).

Notes:

• On September 9, 2022, the post-vaccination data has been changed to compare unvaccinated with those with at least a primary series completed for persons age 5+. These data will be updated monthly (first Thursday of the month) and include at least a one month lag.

• On February 2, 2022, the post-vaccination data has been changed to distinguish between vaccination with a primary series only versus vaccinated and boosted. The previous dataset has been uploaded as an archived table. Additionally, the lag on this data has been extended to 14 days.

• On November 29, 2021, the denominator for calculating vaccine coverage has been changed from age 16+ to age 12+ to reflect new vaccine eligibility criteria. The previous dataset based on age 16+ denominators has been uploaded as an archived table.

Age-standardised mortality rates for deaths involving coronavirus (COVID-19), non-COVID-19 deaths and all deaths by vaccination status, broken down by age group.

Vaccination rates among one-year-olds have risen drastically in the past four decades, with global coverage for some of the most important vaccines increasing from below twenty percent in 1980 to above eighty percent in 2021. Several vaccines introduced on a larger scale in the 1990s, such as the Hepatitis B vaccine, have increased from just one percent coverage to well over two thirds coverage today. As many infants receive multiple vaccines at one time, or as barriers to healthcare access are lifted, this has meant that global coverage trends have been fairly similar for the most common vaccines, and that coverage for newly developed vaccines has grown relatively quickly (such as the Hepatitis B and Inactivated Polio vaccines). Recent backsliding The COVID-19 pandemic marked the first time in recent history where coverage among one year olds dropped for multiple vaccines. In some cases, global coverage fell by as much as five or six percent for vaccines including diptheria/pertussus/tetanus, hepatitus B, measles, and polio. This backslide has been attributed to a variety of factors, such as weakened healthcare systems in less developed regions, the spread of misinformation surrounding vaccines, disruptions due to containment measures, supply chain issues, and the diversion of medical resources. It had been hoped that 2020 would be an anomaly, and that figures would return to their previous trajectory in 2021, but rising malnutrition and and weaker food supply to the poorest regions has exacerbated this further.