You must have always got confused as there are 2 types of Spanish existing in the world and that makes you think What type of Spanish is easiest to learn?, Both Spanish from Spain and Mexican Spanish are valid forms of the Spanish language and are widely spoken and understood by Spanish speakers around the world. The decision of which version of Spanish to learn ultimately depends on your personal goals and preferences.
If you plan to travel to Spain or live in a Spanish-speaking European country, it may be more useful to learn Spain Spanish since it is the primary language spoken in Spain and has some differences in vocabulary, grammar, and pronunciation compared to other dialects of Spanish spoken in Latin America or in Mexico.
On the other hand, if you plan to travel to Mexico, Latin America, or the United States where there are many Spanish speakers of Mexican origin, it may be more useful to learn Mexican Spanish, which is the dominant dialect of Spanish in Mexico and has some variations in vocabulary and pronunciation compared to Spain Spanish.
Ultimately, the most important thing is to learn the basics of the Spanish language and gain confidence in your ability to communicate effectively. Once you have mastered the fundamentals, you can start to learn specific regional variations of Spanish that are relevant to your interests and needs.
