Was the world a happier place 40 years ago?

I was born in 1985 and I would like to know from those who are older than I am , if times were happier way back then?

Is there a way for me to compare suicide rates from year 1975 to 2015 ?

I want to know if the rates for depression and suicide were higher or lower in the 1970's than what they are today.
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