Contact & corrections
We would rather be corrected than be wrong. Every message is read by a person.
Send a message
Use the form below. If you are reporting a correction, please include the page address and a source if you have one. Entries found to be inaccurate are removed from the map and from every statistic that used them.
Removal requests
Choose “Removal request” in the form and describe the entry and your concern. Requests are reviewed individually; see the privacy page for your rights.
Press and data questions
Journalists and researchers are welcome to ask about the data or the method. The methodology page documents every formula and assumption.