My accent

It sounds close to being a western American accent.

You're easily recognizable as a non-native speaker (if I didn't know you were Portuguese I'd wager on a native Spanish speaker, but that's probably just from having a lot more exposure to Spanish accents than to Portuguese accents, as well as the similar sound of Spanish and Portuguese) but you're also easily understandable.

You sound close to being one. It just depends on where you are going. I live in the Pacific northwest where there is a lot a native Spanish speakers. You do not sound to far off of sounding like them.

You speak just perfectly and anyone in the US, UK or any other English speaking nation will understand you with ease. Don't try to get rid of your accent. What's the point? You have an accent - get over it. Luckily, it's very slight and your obviously advanced vocabulary will more than compensate for not sounding like you stepped off a farm in Kansas. Accents can be very powerful, positive tools i

thanks, but I'm sorta confused. I sound close to a native speaker or spanish?
Do everybody understand what I say like everybody else?

Why is it?
How could I reduce my accent even more?
Which words do I have accent?

You speak English with an accent, and you speak English very well.
There are professionals that you can hire that will try to help you "get rid" of your accent. They rarely work unless you have been given the talent to adopt and expunge accents at will.
Our job here is to help learners learn English as a second language. I think you have accomplished that (perhaps your writing skills could

You speak very well, almost like a native English speaker. The only giveaways are when you pronounce certain words almost like native Spanish speakers tend to do. For example, you sometimes pronounce the word "English" as "Engleesh."

If you're obsessed about getting rid of the accent, maybe you could try "tightening up" on your words when you speak - this is what native English speak

I've listened to your video again, and some of the words that give away that you're a non-native speaker are: listen - you tend to pronounce it as leesen; Portuguese - you lengthen the o way too much, Pawwrtuguese; and know - you tend to pronounce it as knoow. Native speakers keep their vowels tight and crisp and don't draw them out like this.