There are several. For example, you could try…
for starters. See especially their page on global poverty at…
http://www.globalissues.org/article/26/poverty-facts-and-stats#fact2
Of course, that site is actually a compilation site, so if you want truly original citations, then take a queue from my son, who recommended, instead, that we try, for info on health indicators,
http://www.who.int/research/en/
For leading economic indicators (certain parts require a subscription but everything you’d be interested in should be accessible):
http://www.imf.org/external/data.htm
For generic indicators —
And the mecca for everyone interested in quantitative indicators of economic development:
Hope these get you started. Got a favorite link like these? If so, just add it as a comment below. Thanks!
I’ve posted a couple of items about stats on a blog that I coordinate on missions in Sub-Saharan Africa – http://tinyurl.com/AfricaStrategy (shameless promotion, yes, but of Kingdom-work in Sub-Saharan Africa, not self-promotion):
Gapminder (http://www.gapminder.org/) converts demographic data into interesting and useful charts. One very useful feature is the ability to see changes over time. Here’s what I said on my blog: (http://strategicmissionalthinkingforafrica.blogspot.com/2010/06/statistics-gone-visual.html)
Google Public Data Explorer (http://www.google.com/publicdata/home) also converts demographic data into chart form — different styles than Gapminder. You can limit the charts to certain subsets of data — on my blog, I limited to certain countries of Africa (http://strategicmissionalthinkingforafrica.blogspot.com/2010/03/google-public-data-on-sub-saharan.html)
http://www.geohive.com