Income tax in Mexico varies greatly, it will depend on the amount of your earnings, deductions, and other factors.

RFC

The RFC is the taxpayer's number in the Mexican Taxpayer Registry. Only Mexican citizens and foreign residents (holders of residence permits) are eligible for the RFC.

Tourists can't have RFC because it could be issued only with the Unique Population Registry Code of Mexican residents.

Citizens with a Mexican passport

https://lh5.googleusercontent.com/GC8FuhaEPVSrZo2Mx1eCen1QzvGo4_yL_Vb8nQJ8ZBup25EECps-XmKuQXNkuLtc8SQFWli6-vDDalQimaRSkDW0hUB8IQdujT_TDm7FktWmXWyQmL-Qlre-bclZQinNrHDCi1td

Residents with Resident Card

https://lh3.googleusercontent.com/x5hah4KTH0mu3d9iS3Ikqp9yM1l-1Px0CrwCOIu75jj5fiJwYC5VpdVTMYFSatXYN3CvRZWxAjrzH_tDrSxTe74BcBqcT6o3bH0PEs-EvCOCabu7U56Q5LqRMQBWua242FLaWTqn

Additional information