> The total number of teenagers who recently experienced depression increased 59% between 2007 and 2017. The rate of growth was faster for teen girls (66%) than for boys (44%).
(https://www.pewresearch.org/fact-tank/2019/07/12/a-growing-n...)
So that's some evidence that we really are getting less happy. I would say the biggest change over that time period is smart phones became ubiquitous.
> The total number of teenagers who recently experienced depression increased 59% between 2007 and 2017. The rate of growth was faster for teen girls (66%) than for boys (44%).
(https://www.pewresearch.org/fact-tank/2019/07/12/a-growing-n...)
So that's some evidence that we really are getting less happy. I would say the biggest change over that time period is smart phones became ubiquitous.