The most popular dance in mexico is the Jarabe Tapatio
Soccer (football) is the most popular sport in Mexico. See related questions for further details.
Canal de las Estrellas is by far one of the most popular channels in Mexico.
Cancun is the most poular part of Mexico for tourists.
mexico
Javier
For pets? Canaries (Serinus canaria) are the most popular.
I feel like that enchiladas where most popular in Mexico because they where invented there.
April and December are usually the most popular, at least when visiting Mexico.
Roman Catholicism, it might still be the most popular.. :)
baseball
SOCCER!