Del. Code tit. 1, § 701 Age of majority.
A person of the age of 18 years or older on June 16, 1972, and any person who attains the age of 18 years thereafter, shall be deemed to be of full legal age for all purposes whatsoever and shall have the same duties, liabilities, responsibilities, rights and legal capacity as persons heretofore acquired at 21 years of age unless otherwise provided.