Speech variation refers to the differences in how people speak based on factors such as region, social class, and cultural background. These variations can include differences in pronunciation, vocabulary, and grammar. For example, the way people speak in New York City may differ significantly from the speech patterns found in Los Angeles. Additionally, speech variation can be influenced by age, gender, and context. Younger speakers might use slang that older generations do not, while formal settings may prompt individuals to adopt a more standard form of speech. Understanding these variations helps in appreciating the diversity of human communication.