Dataset · WUENIC
Immunisation Coverage, Measles First Dose (MCV1)
45 years, 1981–2025 · 195 countries
This is the share of infants who have received a first dose of a measles-containing vaccine. Measles is so contagious that it is usually the first disease to return when vaccination slips, which makes this the most closely watched single vaccine figure in the world.
This site holds every year from 1981 to 2025, read from WUENIC’s own data and stored exactly as published.
Immunisation Coverage, Measles First Dose (MCV1) · the file
- Newest
- Immunisation Coverage, Measles First Dose (MCV1), 2025
- Held
- 45 years · 8,144 rows
- Licence
- CC BY 3.0 IGO
0145 years
Every year
Every year comes from WUENIC’s 2025 release, recalculated on one method. Each opens the full table for that year; each downloads as a CSV.
Show all 45 years
Every year in one file, one row per country per year: measles-vaccination-all-editions-nations-inquiry.csv
023 columns
What’s in the file
Every column, what it holds, how it is stored and what its values look like — what a reader needs before opening the file.
| Column | What it holds | Stored as | Range, 2025 | Distinct | Empty | Spread |
|---|---|---|---|---|---|---|
CountrycountryName | The country’s name, as this file spells it. | Text | — | 195 | 0 | |
ISO Codecountry_codeIdentifier | The ISO 3166-1 alpha-3 code, added by this site. Every table here joins on it. | Text · 3 letters | — | 195 | 0 | |
Infants given a first dose of measles vaccine (%)mcv1_coverageHeadline | The headline figure: Infants given a first dose of measles vaccine (%). | Number · whole numbers | 13 Montenegro9918 share itmiddle 90 | 48 | 0 |
Profiled from the newest file. Range: the lowest and highest value, with the country holding it when only one does. Spread: countries in ten equal steps from lowest to highest. A higher value is the better result.
03195 countries across every year
Who is covered
How many countries each year holds, continent by continent, who joined and who left, and which places this site covers that the dataset never has.
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Africa | 54 | 54 | 54 | 54 | 54 | 54 | 54 | 54 | 54 | 54 | 54 | 54 |
| Americas | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 |
| Asia | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 |
| Europe | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 |
| Oceania | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| All | 195 | 195 | 195 | 195 | 195 | 195 | 195 | 195 | 195 | 195 | 195 | 195 |
The newest 12 of 45 years.
Who joined and who left
- 2011
+ South Sudan - 2006+ Montenegro
- 2002
+ Timor-Leste - 1999
+ Liberia
+ Sierra Leone - 1997
+ Andorra
+ Nauru - 1994
+ Slovakia - 1993
+ Czechia
+ Eritrea
+ Estonia
+ North Macedonia
+ Palestine - 1992
+ Armenia
+ Azerbaijan
+ Bosnia and Herzegovina
+ Belarus
+ Georgia
+ Croatia
+ Kazakhstan
+ Kyrgyzstan
+ Lithuania
+ Latvia
+ Moldova
+ Russia
+ Serbia
+ Slovenia
+ Tajikistan
+ Turkmenistan
+ Ukraine
+ Uzbekistan
Not in this dataset · 30 places this site covers
WUENIC gives no figure for these in any year held here. It is the publisher’s choice of scope, and each place’s profile shows what is measured.
American Samoa
Anguilla
Aruba
Bermuda
British Virgin Islands
Cayman IslandsChannel Islands
Curaçao
Faroe Islands
French Polynesia
Gibraltar
Greenland
Guam
Hong Kong
Isle of Man
Kosovo
Liechtenstein
Macau
Montserrat
New CaledoniaNorthern Cyprus
Northern Mariana Islands
Puerto Rico
Saint Martin
Sint MaartenSomaliland
Taiwan
Turks and Caicos Islands
United States Virgin Islands
Vatican City04Provenance
Where it comes from
The path from the publisher to this page, and what was checked and changed on the way.
1 · Publisher
WHO and UNICEF (WUENIC)
2 · Their file
WHO/UNICEF Estimates of National Immunization Coverage, 2025 revision — MCV1, 2025
3 · Read by this site
September 29, 2026
Imported by a script that parses each figure and writes it down unrounded.4 · Stored as
45 files, one per year
Each downloads as a CSV, or every year together as measles-vaccination-all-editions-nations-inquiry.csv5 · Used on
Its statistic page, and every profile it measures
Precision
The headline is stored in whole numbers, as published.
Rounded by this site
Never. Tables on screen may show fewer decimals; the files never do.
Changed by this site
Reshaped into one row per country: regional and income-group totals are left out, only the columns listed are kept, each row gets its ISO 3166 code, and some country names are brought to one spelling. No value is recalculated, rescaled or rounded.
From the WHO/UNICEF Estimates of National Immunization Coverage, read from UNICEF's data warehouse. WHO and UNICEF weigh each country's own reported figures against its surveys before settling on an estimate.
05Reuse
Licence and credit
What the publisher’s licence lets you do, what it asks of you, and a credit line and citation ready to copy.
Licence · checked September 29, 2026
- Share and redistribute it
- Adapt it and build on it
- Use it commercially
- Credit the publisher
- Say what you changed
The version of CC BY written for intergovernmental organisations. Credit the publisher and say what you changed.
In plain words
Published by UNICEF under CC BY 3.0 IGO. WHO, which produces these estimates with UNICEF, publishes its own copy under narrower terms that do not allow commercial use; this file is UNICEF's copy.
A credit line
Source: WHO and UNICEF (WUENIC), Immunisation Coverage, Measles First Dose (MCV1), via Nations Inquiry.
Cite this dataset
WHO and UNICEF (WUENIC). Immunisation Coverage, Measles First Dose (MCV1), 1981–2025 [data set]. As held by Nations Inquiry, https://nationsinquiry.com/datasets/measles-vaccination
The publisher’s own citation: WHO and UNICEF. WHO/UNICEF Estimates of National Immunization Coverage (WUENIC), 2025 revision. Geneva and New York: WHO and UNICEF.
Plain-language summary, not legal advice. The licence text is what binds.
06Where it is used
Around the site
Where these numbers appear on this site, and the datasets nearest to it.
Charted
Immunisation Coverage, Measles First Dose (MCV1) by countryWho is highest, the map, the spread, who rose and fell, and the records.
Subjects
Near neighbours
- Life Expectancy at BirthUN DESA Population Division · 74 held · 1950–2023
- Under-Five Mortality RateUN IGME · 73 held · 1952–2024
- Prevalence of Severe Food InsecurityFAO · 10 held · 2015–2024
07Questions
Immunisation Coverage, Measles First Dose (MCV1): questions and answers
What is the Immunisation Coverage, Measles First Dose (MCV1)?
This is the share of infants who have received a first dose of a measles-containing vaccine. Measles is so contagious that it is usually the first disease to return when vaccination slips, which makes this the most closely watched single vaccine figure in the world.
Which years of the Immunisation Coverage, Measles First Dose (MCV1) can I download?
All 45, from 1981 to 2025, each as a CSV file, or every year together in one CSV.
Does WUENIC rank countries on it?
No, and this site does not order it either. The files hold values only.
Can I use it commercially?
Yes, under CC BY 3.0 IGO, with credit to WUENIC. The licence text is linked on this page.