http://digbig.com/4mtnx
"As birthrates plummet across the developed world, politicians and demographers have been pondering whether immigration can provide the population boost needed by many countries to supplement shrinking labor forces and rebalance aging populations. From Spain and Canada to the Czech Republic and Singapore, countries are creating and amending immigration laws to attract certain foreigners in order to expand their populations. New immigrants not only add to population numbers but also tend to have more children, providing aging societies with a much-needed infusion of youth."
