As of the latest available data, the estimated population of the United States is approximately 334 million people. This figure is based on the United States Census Bureau's population estimates, which are updated annually. The population has been steadily growing over the years, primarily due to natural increase (births exceeding deaths) and immigration. The U.S. Census Bureau projects that the population will continue to grow, reaching around 400 million by 2050. This growth is influenced by various factors, including birth rates, mortality rates, and migration patterns. For instance, the United States has one of the highest birth rates among developed countries, and immigration has been a significant contributor to population growth, particularly from Latin America and Asia.