Neat, this is one case that should be easy to straighten out.
You've got 32 corps, for your current country size you should whittle that down to ~19 to 25. The right number is usually about 1 corp per million. You could sell them to a ceo that could move them, or you could just spin them down by setting hiring and production to the min.
You have excellent health, education, and transportation, that is going to make this easy.
Stop building schools. And adjust your edu index to just maintain the number of unemployed you have. Keep the graph flatish.
Your healthcare index may be sufficient. Your life expectancy is ~55, and rising. It takes along time for that number to stabilize or change direction. You want to keep that around ~70, it maxes at 100 but then you end up with alot old people who don't work. Stop building hospitals and do the same flattening of the numbers of unemployed.
On transportation, you