The most common and simplest form of business is a sole proprietorship. Many small businesses operating in the United States are sole proprietorships. An individual proprietor owns and manages the business and is responsible for all business transactions. The owner is also personally responsible for all debts and liabilities incurred by the business.
The current total fertility rate for the world is 2.5. Influencing this are countries that have TFRs of 6 and higher such as Niger (7.6), Democratic Republic of the Congo (6.3), and Uganda (6.2).
The World's Growth Rate. The world's current (overall as well as natural) growth rate is about 1.14%, representing a doubling time of 61 years. We can expect the world's population of 6.5 billion to become 13 billion by 2067 if current growth continues.