Yes, individuals can update their personal information with the California Public Employees Retirement System, commonly referred to as CalPERS, online. CalPERS provides an online portal called my CalPERS, which allows members to manage their accounts and make necessary updates. Through this portal, you can update a variety of personal details, such as your address, phone number, and email address. Accessing my CalPERS is straightforward, and users need to create an account or log in if they already have one. It is essential to ensure that your personal information is current to receive important communications and benefits from CalPERS. For specific instructions and to get the most recent details, it is advisable to visit the CalPERS website, where guidance and help are readily available.