However, Spain is still very influential in the development of the language. The "Real Academia de La Lengua" dictates the rules, and there's a network of "Instituto Cervantes" throughout the world. There's even one in Chicago, where I live now.
It's interesting the way English gets along just fine without an official body making pronouncements about what is and isn't correct.
Say 'cucumber'. The sound of the first syllable is very different from the second, even though both are written the same.
Say 'stake' and 'steak'. Different graphs for the same phonemes.
Say 'E as in elephant'. Two different sounds for 'e'.
etc.
Present day English is so bad that written language is divorced from spoken language, but it is not bad enough to unite all speakers behind a spelling reform.