First and foremost, don't let the government of the day dictate to you when you retire. Decide for yourself!
And secondly, consider, what if there was a job you would do for free, even if you live to be much older than 70?
How quickly can I retire?
If there is one question I get asked more than any other it is this: "How quickly can I quit my job?".
From a practical point of view, the answer is quite self-explanatory.
Ways to reach the goal sooner
How else might you be able to reach your goals sooner?
If you on a Sunday night you have a dread of Monday mornings, then the 3 minute video I've inserted below from British philosopher Alan Watts is well worth a watch.
If you spend less than you earn, and apply discipline and patience, then you will reach the retirement income goal sooner or later. But don't forget to enjoy the journey!