Assorted links

1. Half the world’s population lives in 6 countries (via Visualizing Economics).
   
   
2. Google maps suggestions for low carbon travels in Europe.
   
   
3. Average age of US Congress over time (via FlowingData).
   
   
4. How immigrants create jobs (a pretty interesting article by Tyler Cowen Via Marginal Revolution), and another article on this here (by Catherine Rampell-NYT).
   
   
5. A selection of 75 videos about cities and urban policies (via Ciudades a Escala Humana). I, myself, would include this taxi traffic visualization presented by BBC (series Britain From Above)