According to the data obtained, the total number of citizens of the Republic of Kazakhstan eligible to participate in the referendum was 12,482,613 people.
The number of citizens who took part in the voting was 9,127,192 people, or 73.12% of the number of citizens eligible to participate in the referendum.
The number of citizens who voted for the positive resolution of the issue put to the referendum was 7,954,667 people, or 87.15%.

Source : https://www.gov.kz/memleket/entities/mfa-addis-ababa/press/news/details/1182566?lang=kk