Bill & Melinda Gates Foundation, "Our big bet for the future" (December 2015)

Findex Year
2014 FINDEX
Reference Link
https://www.gatesnotes.com/2015-annual-letter?WT.mc_id=12_21_2015_12_YIR2015_BG-LI_&WT.tsrc=BGLI&page=0&lang=en