No.  Retail Investors are not required to be accredited.  Retail Investors are also called Non-Accredited Investors.

Retail Investors can still participate in Primary Market offerings, depending on the type of offering.  Retail Investors are permitted to invest in Reg CF and Reg A offerings.

PLEASE NOTE: Non-US investors who are NOT Accredited cannot trade on Secondary Markets at this time due to regulations.

Can non-accredited investors join Securitize Markets?​

What is Regulation A and A+?

What is Regulation Crowdfund (Reg CF)?​