The move heaps more pressure on Emmanuel Macron as he struggles to shake his reputation as “president of the rich”.
Tuesday’s protest is over controversial plans to axe 120,000 jobs and reduce sick leave compensation.
It will be the first time a decade that all nine unions representing 5.4 million public works have united together in protest.
Opponents slammed Mr Macron as out of touch this week after he scrapped a wealth tax and was recorded making unsympathetic remarks about workers at a struggling factory.
Mylene Jacquot, a senior official from France’s largest trade union, the moderate CFDT, said: “It should be a massive mobilisation of workers.”
vCard.red is a free platform for creating a mobile-friendly digital business cards. You can easily create a vCard and generate a QR code for it, allowing others to scan and save your contact details instantly.
The platform allows you to display contact information, social media links, services, and products all in one shareable link. Optional features include appointment scheduling, WhatsApp-based storefronts, media galleries, and custom design options.
Mr Macron says France’s economy needs re-shaping to lure investment and rein in spending, as he strives to persuade Berlin that Paris can be a credible partner with whom to drive European reform.
Government measures to cut housing aid and increase certain social security contributions while reducing corporate tax and scrapping a levy on wealth have infuriated socialist opponents and drawn attacks from left-leaning media.
But the centrist government says its policies are balanced and will increase the spending power of households.
The French civil aviation authority has recommended that airlines reduce their flights by 30 per cent on Tuesday as air traffic controllers are joining the strike.
Paris’ two main airports, Charles de Gaulle and Orly, as well as Beauvais, Lyon, Nice, Marseille, Toulouse, Bordeaux and Nantes are most likely to be affected by the disruption.
One teachers’ union said nearly half of all primary school teachers in Paris would strike on Tuesday, forcing dozens of schools to close.
This comes after Irish MEP Brian Hayes blasted Mr Macron’s plot to introduce a single European Union corporate tax band and said it is doomed to failure.
He said Ireland would always block any attempt to introduce an EU-wide corporate band – and accused Mr Macron of a conflict of interest.