More than one third of the 2.5 million residents of San Mateo and Santa Clara counties are immigrants, and almost two thirds of those younger than 18 are children of immigrants. Immigrant entrepreneurs have contributed considerably to innovation and job creation in Silicon Valley, and nearly half of its workforce is foreign-born. However, more than twice as many immigrant and refugee families in Silicon Valley are living in poverty (7.8 percent) as compared to the general population (3.8 percent). These immigrants are not only challenged by the high cost of living in Silicon Valley but also by language, educational and legal barriers that make it difficult for them to access economic opportunities and participate fully in society. The Silicon Valley Community Foundation's impact evaluation report assesses its immigration strategy, and details its strategic investments in programs that strengthen the legal services infrastructure to ensure the provision of affordable and reliable legal services for immigrants; Vocational English and English as a Second Language courses to ensure greater economic advancement by immigrants; and encouraged coordination and best practices among community colleges, adult education schools, and community-based organizations.