The most efficient Fighting Style/ Martial Arts for the streets?

I am deciding on a Martial Art/ Fighting Style to train in this year, I would like your personal opinion as to which three of these are the most efficient and most likely to help you defend yourself in street fight situations Please keep in mind the time taken to learn them Consider the following ones for... show more I am deciding on a Martial Art/ Fighting Style to train in this year, I would like your personal opinion as to which three of these are the most efficient and most likely to help you defend yourself in street fight situations

Please keep in mind the time taken to learn them

Consider the following ones for your list:
Krav Maga
Keysi Fighting Method
Russian Systema
Jeet Kune Do
Ninjutsu
Aikido
Wing Chun

Thanks!
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