Africa is the second largest continent covering about 30.36 million square kilometers and is home to over 1.3 billion people. It has 54 countries with diverse cultures and hundreds of ethnic groups. Some of the major languages include Swahili, Arabic, English, French, Portuguese, and Zulu. The economies are based on trade, industry, agriculture, and human resources. Nigeria has the highest population of any country in Africa. The cuisine varies widely among the different regions and ethnicities.