Just got back from giving a talk on how I decided to move to Singapore at TEDx Sentosa. Lots of fun, and it looks like we'll put another one together in a couple months.
All the data you need for your own econ/eco analysis exists online. Below I've listed the URLs that I noted of interest as I was assembling the data.
http://www.cbo.gov/ftpdocs/102xx/doc10297/SupplementalData2009LTBO.xls
http://www.census.gov/population/www/projections/np_p2.gif
http://www.census.gov/population/www/projections/np_p3.gif
http://www.census.gov/population/www/projections/np_p4.gif
http://www.cbo.gov/doc.cfm?index=7249
http://www.tropicalisland.de/NYC_New_York_View_towards_East_River_and_Brooklyn_b.jpg
https://www.cia.gov/library/publications/the-world-factbook/geos/US.html
https://www.cia.gov/library/publications/the-world-factbook/geos/SN.html
http://1.bp.blogspot.com/_ARTxiBaLfnc/STYaYf4r0GI/AAAAAAAACg8/Nz_waBCp_mo/s400/thatsmyboy5ja.jpg
http://www.marielorenz.com/inprogress/?cat=9
http://farm1.static.flickr.com/168/471191636_2ecc338ef2_o.jpg
http://www.govcentral.com/nfs/govcentral/attachment_images/0009/8812/earth.jpg
http://www.census.gov/Press-Release/www/releases/archives/voting/004986.html
http://www.ssa.gov/policy/docs/ssb/v64n2/v64n2p57.pdf
http://www.alliancetrust.co.uk/pdfs/research_centre/g8_future2007.pdf
http://www.census.gov/population/www/popclockus.html
http://en.wikipedia.org/wiki/United_States_public_debt
http://pwt.econ.upenn.edu/php_site/pwt62/pwt62_retrieve.php
http://en.wikipedia.org/wiki/List_of_countries_by_death_rate
http://en.wikipedia.org/wiki/List_of_countries_by_Human_Development_Index
http://www.nationmaster.com/country/sn-singapore/Age-_distribution
http://en.wikipedia.org/wiki/Geography_and_climate_of_Singapore