Italy is considered close to a third world country BUT as i can see it provides cheaper and better connectivity.
No contract, unlimited data, unlimited minutes and unlimited texts (but no phone): 10€/month.
On a 30 months contract with everything unlimited and an iPhone 5s will costa about 35€/month. Which means abput 50$/month.
I'm paying 20€/month in France, for unlimited calls (to France and a large part of the world) and texts as well as 3 GB data (20 GB over 4G, but my phone can't use that).
A phone isn't included in the contract (the contract can be stopped anytime) but my provider (Free) also sells phones on credit, say an iPhone 5s for 49€ one time payment and then 16€/month over 24 months.
That makes a close equivalent of the US contract, for 38€/month or about 50$/month.
Also, in reality I'm paying 4€/month for this contract for the first 12 months because of a promotion back in June.
I'm paying, in Portugal, ~100€/month for a plan that includes 100mbps fiber, land-line and service for four cellphones. National calls are unlimited. Data over fiber is unlimited. Data over cellphone is limited to 200MB per cellphone (add-ons to extend data usage exist). Cellphones themselves are not part of the plan.