You mentioned in your question whether you can have 6 million assets by the age of 60 through the career of civil servants. If I have to answer, yes, yes!
First of all, we must embrace this beautiful wish. There must always be a dream, and then we will realize it in a down-to-earth manner!
The way to realize your wish faster is not to set your age, occupation and assets, but just to realize the small goal of 6 million first! Is this more flexible? If you have 6 million, don't you want more assets?
My answer can be realized because people are constantly growing and making progress. With the improvement of professional skills, the ability to earn money is also improving. As long as we persist in lifelong learning, constantly adapt to social development and meet professional requirements, then personal income will increase.
I suggest that you don't need to be fixed on a career, because the society is developing, and you should always keep the ability to change tracks, so that you can always seize the opportunity and enhance your personal value.
On the other hand, with the development of economy, there will still be the influence of inflation. Forty years later, the figure of 6 million may now be only 3 to 4 million. So don't limit the income expressed in figures! The more the better!
In a word, everyone will create a beautiful life in their own vision with an ideal and down-to-earth attitude.
I am a career planner, specializing in answering puzzles in the workplace/college entrance examination/life. Welcome to pay attention to me, grow up together and become a better self.