Over 1,000 migrants are thought to have died this year trying to cross the central Mediterranean.
President Saied says the reforms would strengthen the country but opponents see them as a betrayal.
People are demonstrating against a referendum to be held on Monday on a new constitution that they reject as illegal.
Rivals fear presidents plan to correct the course of the revolution will dismantle democracy.
Young people join anti-Saied demonstrations amid growing anger at presidents proposed new constitution.
The North African country is set to vote on a constitution that seeks to extend President Kais Saied's powers.
Older and younger generations march in Tunis to reject President Kais Saieds draft constitution ahead of a referendum.
Referendum on President Kais Saieds new constitution will be on Monday, opponents call it completely illegitimate.
Opposition leader faces money-laundering allegations amid sweeping power grab by President Kais Saied.
The powerful trade union to strike on June 16 to demand wage increase and oppose President Saieds privatisation plans.