"It is time to launch a new decisive phase and a major qualitative move aimed at achieving comprehensive reforms and complete development" programmes, the ruler said at the opening of the parliament that was elected in July amid a bitter political crisis.
The emir's announcement comes a day after the government said it planned to review subsidy policies and charges on public services and commodities.
"It has become necessary to rectify old concepts ... It's time to adopt a new work methodology," the 85-year-old ruler said.
The OPEC country generates around 94 per cent of its income from oil, most of which is spent on wages, subsidies, defence and security.
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In a four-year programme presented to parliament yesterday, the government warned that if no reforms are undertaken, the country will start posting real budget deficits in 2021 and this could accumulate to hit a staggering USD 1.46 trillion by 2035.
The government programme argued that there is an urgent need to reduce subsidies on fuel, electricity and water and raise charges on public services which are offered to citizens for free or at highly-subsidised rates.
Kuwait has boasted a budget surplus in each of the past 13 fiscal years, accumulating around USD 300 billion, whereas the size of its sovereign wealth fund has increased to over USD 400 billion.
The Kuwaiti parliament was elected in July in the second polls in under eight months after the constitutional court dissolved the previous house over procedural flaws.
It was the second legislature to be dissolved in a year in the same way and for the same reason.