Beginners ask this as a choice and it is not one, because you do not get to avoid the other. What you are actually choosing is a production accent, which is one decision, cheap to make and cheap to change. Comprehension is the other half and it has to cover all of them eventually, on a much longer timetable, and nothing about picking a side makes that shorter.
So make the production choice on the only defensible ground, which is who you will be speaking to, and then treat every other variety as material you will have to learn to understand anyway.
The six that actually differ
The list of real differences is short. Five words and one verb form cover most of what a learner will notice in a year.
- vosotros habláis and ustedes hablan, you all speak. The first exists only in Spain, and it is a whole verb ending Latin America never uses.
- el coche and el carro, car, Spain and most of Latin America respectively.
- el móvil and el celular, mobile phone.
- el ordenador and la computadora, computer, and note the gender changes with the word.
- el zumo and el jugo, fruit juice.
- vos tenés, you have, in Argentina, Uruguay and parts of Central America, where vos replaces tú and carries its own endings.
The map does not follow the ocean
Spain against Latin America is the wrong division, and it survives because it matches a bookshelf. What actually varies is three independent things, and each of them cuts across the Atlantic in its own direction.
The form of address is the loudest, because it carries verb endings with it. Spain uses vosotros for a group and nowhere else does. Argentina, Uruguay, Paraguay, most of Central America and parts of Colombia use vos, which has its own present tense and its own imperative. The s and z question is a single consonant: most of Spain distinguishes them, and all of the Americas along with the Canaries and much of Andalusia does not. And the third variable is not phonetic at all, it is a few hundred everyday nouns, which is the part everybody worries about and the part that takes an afternoon.
Put those three on a map and Andalusia lines up with the Caribbean against Madrid, Buenos Aires goes its own way on two of the three, and the Atlantic stops being a boundary at all. That is why a learner who has decided on Latin American Spanish is holding a label rather than a variety, and it is why the honest advice is a city rather than a continent.
Skipping vosotros costs you a library
Here is the stall and it is created by a reasonable decision. A learner aiming at Mexico is told, correctly, that vosotros is not used there, so it gets skipped. Production is fine and nobody in Mexico will ever need it from them.
What goes with it is comprehension of everything made in Spain, which includes a great deal of the best free grammar material, a large share of the dubbing, and the whole of Spanish cinema and television. The forms are not hard, there are four of them, and recognising a form costs a fraction of what producing it costs. The rule that avoids the whole problem is to separate the two lists from the beginning: produce one variety and recognise all of them, and never let a decision about your own mouth remove something from your ears. The same principle settles the vos question in the other direction for anybody learning from Spanish material.
Six cities, five features
Where each feature is actually general
Read the columns rather than the rows: no two of these cities agree on all five, and Seville sides with the Caribbean twice.
Whether the feature is general in ordinary speech in that city. This summarises well described dialect features rather than a survey, and yes, some and no are the only three values.
The grid is about sound and pronouns, and it says nothing about whether these speakers understand each other, which they do, completely and without subtitles. What it does say is that a learner who prepares for one column is unprepared for the next one along.
Two things that answer the regional question directly
The Diccionario de americanismos, from the association of Spanish language academies, is free online and it does the one job an ordinary dictionary cannot: every sense is tagged with the countries it belongs to. It replaced asking a native speaker which word is used where, which returns one person's honest answer about their own country and nothing about the twenty others. Look up any noun you suspect and the entry will tell you whether it is Mexican, Southern Cone or general.
The other is the audio track list on whatever you already stream. Most large productions carry both a Spanish and a Latin American Spanish dub in 2026, and switching between the two on the same scene is thirty seconds of work. It replaced reading a description of what the difference sounds like, which is a poor substitute for hearing the same line twice. Use it to decide which one you would rather listen to for a year, because that reaction is the only input to this decision that is genuinely yours.
The mistake: choosing by which one is purer
People pick Spain because it is where the language came from, or Colombia because it is supposed to be the clearest, or Mexico because it is the biggest. The first two are folk judgements dressed as facts. No variety is closer to an original, since all of them have been changing for the same five hundred years, and clarity is a statement about how much a listener is used to something rather than a property of the speech.
The size argument is at least real, and it is still not a reason on its own. What decides this is who is going to be on the other end of your conversations in the next two years: a partner's family, a country you will work in, the friends you already have. If the honest answer is nobody in particular, take the one with the most material you want to watch, because you will be spending several hundred hours with it and that is the only variable you can feel today. The general version of that argument, about reasons that survive month four, is difficulty, usefulness and the honest reasons people pick.
What follows the choice
Once a variety is picked the immediate consequence is auditory rather than grammatical, because what differs most is which sounds survive at speed, and that is the whole of fast, and faster in the Caribbean. The choice also lands in your first sentence with a stranger, since the address form is exactly where these varieties disagree, and that is from present tense sentences to real conversation. Everything underneath the three variables is shared: the tenses, the moods and the machinery in two verbs for to be, and the subjunctive everyone dreads are the same in every country, which is the fact that makes the whole question smaller than it looks. Building the second variety into your ear later is an exercise in deliberate exposure rather than study, and the shape of that is what actually changes, and what does not.