On Monday, Kazakh voters approved constitutional changes for a "New Kazakhstan."
The reforms was backed by 77.17% against 18.66% of voters, according to Nurlan Abdirov, chair of the national election commission.
The Sunday referendum had a 68% turnout, rules require the participation of at least 50% of voters for it to be valid.
The reforms remove powers from the president and instead strengthen the role of the country's parliament and restore the Constitutional Court.
An amendment deny former leader Nazarbayev's right to run for president more than two times.
Additionally, the changes ends a series of privileges enjoyed by Nazarbayev. The President's relatives are prohibited from holding government positions.
The reforms also abolish the death penalty.
Both the former and current president are allies of neighboring Russia.
Current president Tokayev have requested military assistance from a Moscow-led security bloc of former Soviet states to quell January's unrest.
The 81-year-old Nazarbayev could lose his title as "Elbasy" or "Father of the Nation," he ruled the ex-Soviet state for almost three decades.
