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The other day, I wrote the column of the percentage of unmarried people in life time.

Today I happened to find the same kinds of data in the white book published by Health, Labor and Welfare Ministry.

I am relieved to know that the data seems to be almost same as my prediction of population trend.

I am a just weekend researcher, but they are the authorities base on Japanese government.

They could use many intellectual researcher and high spec computer though I just use poor tools, like pocket calculator and PC in my house.

I think that the credibility differed from my environment.

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On the other hand, I had been working to predict the population movement for more then 30 hours, so I could find out the important difference between my result and their ones.

[1] They (looks like) adopt the exponential function in order to calculate female unmarried ratios.(I was scared to use this function)

[2] The increasing ratio will become show down slightly from 2025. (Few person noticed that).

Why did the differences happen?

There might be some factors that should be added for them though they didn't use the liner increment.

I really want to know the reasons.

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Dear Mr./Mrs. Authors who were in charge of this white book.

Would you please show me simulation programs and/or macro programs of the spread sheet that you have used?

I never talk nonsense like "You should open all materials for all of Japanese!".

I pledge that I keep your secrets, so please show me ONLY (The rest is omitted.).