Numbers: Mar. 5, 2007

6.1 Average number of children that women bear in Rwanda, whose population is expected to double by 2030

3 Limit on children per family proposed by Rwandan legislators to curb rising poverty levels

30 Years a dollar coin can circulate, compared with 18 to 22 months for a dollar bill

$500 million Amount the U.S. would save each year if dollar bills were replaced by coins, like the new, golden George Washington ones released Feb. 15

$13 billion Value of the proposed merger of XM and Sirius, the only companies licensed to offer satellite radio in the U.S.

$12.95 Monthly fee...

Want the full story?

Subscribe Now

Subscribe
Subscribe

Get TIME the way you want it

  • One Week Digital Pass — $4.99
  • Monthly Pay-As-You-Go DIGITAL ACCESS$2.99
  • One Year ALL ACCESSJust $30!   Best Deal!
    Print Magazine + Digital Edition + Subscriber-only Content on TIME.com

Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!