Detail 
population clock
人口時計; ポピュレーションクロック   jinkō tokei; popyurēshon kurokku
Bevölkerungsuhr

Links

U.S. Population Clock
http://www.census.gov/population/www/popclockus.html
World Population Clock
http://www.census.gov/ipc/www/popclockworld.html
World population clock (real-time)
http://www.tranquileye.com/clock/
 

Copyright 2012 DIJ