"White Americans" generally refers to individuals in the United States who identify as having European ancestry. This group includes a diverse range of ethnic backgrounds, such as German, Irish, Italian, and English, among others. White Americans have played a significant role in the country's history, culture, and development. Demographically, White Americans make up a substantial portion of the U.S. population, although their percentage has been gradually decreasing in recent years due to increasing diversity. They have contributed to various fields, including politics, science, and art, shaping the nation's identity and social landscape.