Slapass do you have an expensive lifestyle and what country are you from?
Perhaps you could consider living in a different continent like Asian or South America as a means to achieve your goals faster? In most countries in these areas it's much cheaper to live than in developed countries.
So you could save/invest a larger percentage of your income, plus if you end up enjoying the country you move to then it could result in you needing much less money to retire than you would have needed in a developed country.
Perhaps it's worth considering
