I think it's quite funny to see which are the songs about the end of our times making the most impact today in the biggest selling countries of the world's iTunes.
USA
86. R.E.M. - It's the End of the World As We Know It (And I Feel Fine)
409. R.E.M. - It's the End of the World As We Know It (And I Feel Fine) [Edit] [Remastered]
UK
216. R.E.M. - It's the End of the World As We Know It (And I Feel Fine)
850. R.E.M. - It's the End of the World As We Know It (And I Feel Fine) [Edit]
Australia
89. R.E.M. - It's the End of the World As We Know It (And I Feel Fine)
814. R.E.M. - It's the End of the World As We Know It (And I Feel Fine) [Edit] [Remastered]
Brazil
147. R.E.M. - It's the End of the World As We Know It (And I Feel Fine)
246. R.E.M. - It's the End of the World As We Know It (And I Feel Fine)
Canada
168. R.E.M. - It's the End of the World As We Know It (And I Feel Fine)
417. R.E.M. - It's the End of the World As We Know It (And I Feel Fine) [Edit] [Remastered]
France
474. The Doors - The End
475. The Glitch Mob - We Can Make the World Stop
Germany
105. Mike Candys - 2012 (If the World Would End) [Original Mix] {feat. Evelyn & Patrick Miller}
695. Mike Candys - 2012 (If the World Would End) [Radio Mix]
1496. Mike Candys - 2012 (If the World Would End) [Radio Mix] {feat. Evelyn & Patrick Miller}
Italy
146. Ligabue - A che ora è la fine del mondo? [It's the End of the World As We Know It and I Feel Fine]
320. Ligabue - A che ora é la fine del mondo? (It's the End of the World As We Know It and I Feel Fine)
Japan
1110. ブリトニー・スピアーズ - Till the World Ends
Netherlands
392. R.E.M. - It's the End of the World As We Know It (And I Feel Fine)
399. R.E.M. - It's the End of the World As We Know It (And I Feel Fine) [Edit] [Remastered]