The Gallup Organization has a world poll where more than half a million people have been asked questions about what they think of their life and about their experiences, and there have been other efforts along those lines.
Gallup Organization mengadakan sebuah polling dimana setengah juta orang telah diwawancara tentang apa opini mereka tentang hidup mereka sendiri dan tentang pengalaman mereka. Dan telah ada upaya-upaya lain di jalur yang sama