Demographic influences on political ideologies are vital for understanding voting patterns and party affiliations in the United States. For example, research shows that younger voters tend to lean more liberal, particularly on social issues, while older voters may exhibit more conservative views. Additionally, factors such as educational attainment, race, and urban versus rural residency contribute to the diversity of political beliefs among different demographics. Given this context, which demographic factor is most likely to influence an individual's political ideologies regarding environmental policies?