How many countries does the U.S. state department recognize in the world?

How many living languages are there in the world?

What is the language with the most native speakers in the world?

Which country has the largest number of English speakers after the U.S.?

What percent of U.S.'s budget is devoted to foreign aid?

Which country is the leading seller of military arms and equipment?

Which country holds the most U.S. government debt?

Approximately what percentage of the world's population lives on less than $1.90 a day?

Where do the majority of those people who make less than $1.90 a day live?

What percent of Americans have a passport?

First generation immigrants make up approximately what percentage of the U.S.'s population?

Currently, which country has the largest number of immigrants leaving and coming to the U.S.?

What country did most immigrants into the U.S. come from in the 1960s and 1970s?

Out of the following countries, which has the highest life expectancy?