"Dial 1" for English?

Research by ProEnglish has found that 52 countries around the world have English as an official language. Most of those countries are located in Africa, Asia, and the Caribbean.

The research shows that the U.S. is out of step with most English-speaking nations, and is one of the few countries that operate without an official language. Ten Latin American countries have Spanish as their official language.

Of the 52 countries that have made English their official language, 27 countries, just over half, have made English their sole official language. Those countries are:
 
       Antigua & Barbuda
       Bahamas
       Barbados
       Belize
       Dominica
       Micronesia
       Fiji
       Gambia
       Ghana
       Grenada
       Guyana
       Jamaica
       Kiribati
       Liberia
       Namibia
       Nigeria
       Seychelles
       Sierra Leone
       Solomon Islands
       St. Lucia
       St. Vincent Grenadines
       St. Kitts & Nevis
       Trinidad & Tobago
       United Kingdom
       Uganda
       Zambia
       Zimbabwe