MS SB2355

Lowers Mississippi's age of majority from 21 to 18 years, making 18 the legal threshold for adulthood across state statutes defining "infant," "minor," and "adult"

Reduces minimum age for jury service from 21 to 18 years and adjusts militia eligibility to males between 18 and 60 years of age

Terminates child support obligations when a child reaches 18 years (rather than 21) as long as the child is no longer attending high school, with exceptions for disabled children

Updates adoption, guardianship, marriage license, and parental rights laws to reflect the new 18-year-old age of majority threshold

Repeals several existing statutes that previously granted special removal of minority disabilities for veterans, married persons regarding homestead transactions, and estate executors/administrators