It will also look at the mandatory 10 percent quota for women in parliament.
A public notice from the inquiry chair, Luafatasaga Tu'u'u Ieti Taulealo, has outlined the issues to be reviewed.
Recognising the contribution of Samoans abroad was an issue the ruling FAST party campaigned on during the April 2021 General Election.
The nationwide consultations start this week.
The Samoa Observer reports the commission has to consult the public over the issues and make recommendations for ways to improve the electoral process.