# Estimated measles cases reached 10.3 million worldwide in 2023

Date: 2024

_No public text on this fact yet._

## Drivers

- Vaccine hesitancy / confidence collapse: https://factrail.ai/drivers/vaccine-hesitancy-wave

## Sources

_Sources are listed on the canonical page._

## Methodology

https://factrail.ai/methodology

Canonical: https://factrail.ai/facts/cdc-who-measles-2023-cases-outbreaks