Why does the government get to decide when we retire?

Like I said, they don't. You can retire today. They decide when you get access to a national retirement plan. Citizens of the country vote for that plan and how it is implemented.

I personally could retire today. Most people can't. There is no referendum I remember where we decided to raise the retirement age. It seems like our government just kind of decided to do so.

Couldn’t you say the same thing about social security or pensions? There is a lot of economic forces that direct people to work until a certain age, the government controlling a benefit is only one of them. As to why, you’ll need to dissect representative democracies in Singapore’s case.

You can retire whenever you want, but you specifically would probably die in the wilderness.

You apparently know very little about me.

Edit: Although, when my time comes as it inevitably will, I think the wilderness would be a nice place to do it. Maybe in a tree.