Jeremy Corbyn vowed to take on the "rich and powerful" as he set out his plan to transform Britain with the most "ambitious and radical" programme of reform in decades.
The manifesto pledged to invest in public services, take action to tackle climate change and return key utilities to public ownership.
It would see day-to-day government spending rise by £83 billion by 2024 - paid for by tax increases for business and the better off - with investment of £400 billion over the course of the next decade.
In a surprise move, the party announced plans for a windfall tax on the oil and gas companies, to provide an £11 billion support package for workers in the industry as the country shifted to renewable energy sources.
Speaking at the launch event in Birmingham, Mr Corbyn said it was a "manifesto of hope" that would bring to an end a system "rigged" in favour of "the billionaires and the super rich".
However, the Tories accused Labour of planning a "reckless spending spree" which would "take a sledgehammer" to the British economy.
Corbyn has promised “radical” plans including taking rail operators, water firms, the energy network and Royal Mail back into public ownership, paid for by issuing government bonds.
Labour would also nationalise the broadband network - giving every home and business free high speed broadband within a decade.
It claims the plan to buy up parts of BT would cost £20bn - although the firm’s chief executive said it could be as high as £100bn.
The running costs would be paid for in part by raising taxes on big tech giants. Rail privatisation - after existing franchises end - would allow fares to be capped and an improvement to the reliability of services.
Health spending will be boosted by £26bn a year - the equivalent of 4.3% -while ending and reversing privatisation of the NHS.
There will be earlier screening of strokes, heart disease and cancer and a moratorium on hospital bed cuts.
There will be free dental checks, while charges for prescriptions in England would be abolished.
Mental health provision will be expanded including an £845m programme which would see a qualified counsellor in every school.
More than £1bn will be spent on public health with a new milkshake tax on top of existing sugar taxes and a fast food restaurants banned near schools.
A new National Care Service would provide free personal care with a lifetime cap on care costs of £100,000.
TRANSPORT & HOUSING
Town halls would get powers and funding to control bus services with 3,000 routes, many in rural communities, being reinstated and under-25s riding for free.
Rail would be renationalised with a safety-trained crew member as well as a driver on every train.
The controversial HS2 scheme would go ahead - and extend to Scotland - while fast Northern rail links will be built. Labour aims to phase out new diesel and petrol cars by 2030 and reform the rules for taxi firms.
Heathrow expansion would depend on passing the party’s tests on pollution and countrywide benefit.
To address the housing crisis Labour would build 150,000 council and social homes, bring in a new levy on second homes used as holiday homes, give more rights to private renters and leaseholders and give cities the power to impose rent caps and other controls.
Labour has pledged to eradicate rough sleeping within five years.
Schools will get enough cash to guarantee pupils are taught by a qualified teacher, that school is open five days a week and classes are a maximum of 30. Free schools and academies will be brought back under local control.
Ofsted would be replaced by a new inspections body. Labour will not abolish private schools, but close tax loopholes and ask the Social Justice Commission go advise on integrating them into the state system.
Labour has stuck with its plan to scrap tuition fees, while Jeremy Corbyn hinted at further action on student debt.
Adults will qualify for six years of free further education and training. Under-fives would get 30 hours of free pre-school care a week, with 150,000 extra staff, and paid maternity leave would be extended to 12 months.
Labour would reverse cuts to Sure Start and set up a new service for under-2s.
Public sector workers would scoop a 5% pay rise in April - and inflation-busting wage hikes in the following years.
The average public service worker would net an increase of more than £1,600 next year.
Newly qualified nurses would pocket a boost worth more than £1,200, firefighters £1,800, teachers almost £2,000, junior doctors nearly £1,400, police constables almost £2,000, Army sergeants £1,700, civil servants £1,300 and council workers more than £1,200.
Mr Corbyn said: “Our most valuable assets are the dedicated people who work in our public services, but they have been treated appallingly over the last decade of cuts and neglect under the Conservatives.
Labour will give our nurses, teachers, doctors, firefighters, police and others a pay rise to begin to undo the damage caused by the Tories and Lib Dems - and reward the people who do so much for us all.”
Voters will get a chance to scrap Brexit through a second referendum staged under a Labour Government.
Jeremy Corbyn believes he can negotiate another EU withdrawal deal, which would be the third exit pact struck between Brussels and London.
Electors would go to the polls within six months to cast their ballots either for Labour’s Brexit deal or to Remain.
Mr Corbyn again refused to say whether he would campaign to stay in the EU or to leave the bloc, though senior Shadow Cabinet Ministers have vowed to fight to Remain, whatever deal their party leader came back with.
Mr Corbyn claimed his plan for a second referendum would unite the country.
The manifesto says: “We will get Brexit sorted in six months by giving people the final say – with a choice between a sensible leave deal or remain. We will implement whatever the British people decide.”
The manifesto stopped short of vowing to move to net zero carbon emissions by 2030.
But it promised a Green Industrial Revolution creating a million jobs in industries helping the fight against climate change.
Some £250billion would be pumped into a Green Transformation Fund dedicated to renewable and low-carbon energy and transport, biodiversity and “environmental restoration”, including planting trees.
Labour pledged 7,000 offshore and 2,000 onshore wind turbines, enough solar panels to cover 22,000 football pitches and new nuclear power stations to boost Britain’s energy security, including its reliance on foreign imports.
The £1.3billion Swansea Bay Tidal Lagoon project, which would generate enough electricity for 120,000 homes, would be reinstated after being axed by the Tories last year.
The UK’s 27 million homes would be upgraded to “the highest energy-efficiency standards” which, Labour says, would slash average household energy bills by £417 a year by 2030.
Imports of sick trophies claimed by wildlife hunters would be banned, in a victory for the Mirror’s End Trophy Hunting campaign.
Celebrities, conservationists and even Boris Johnson ’s partner Carrie Symonds, an environmental activist, have backed demands to stop the vile “prizes” being brought back to Britain as mementos of cruel safaris targeting lions, elephants and tigers.
The badger cull, which will see up to 63,000 of the animals slaughtered this autumn across England, would be abandoned. Some 67,154 badgers have been killed in the mass culling scheme since 2013.
Opponents say it is cruel and ineffective. The Hunting Act 2004 would be strengthened to prevent hunts using legal loopholes to continue killing foxes, 15 years after the bloodsport was outlawed.
There would be another 80 police officers to prevent and detect rural and wildlife crime. Monkeys would no longer be allowed to be kept as pets.
Police officer numbers would rise by 22,000.
A Royal Commission examining drugs would be setup “to develop a public health approach to substance misuse, focusing on harm reduction rather than criminalisation”.
The Home Office’s controversial Prevent programme to stop would-be terrorists becoming radicalised would be reviewed to “assess both effectiveness and potential to alienate communities”.
Labour would press on with building four nuclear-armed submarines in the Dreadnought programme to replace the Vanguard ballistic fleet which carries Trident D5 missiles.
The project would go-ahead despite Mr Corbyn signalling he would never launch a nuclear weapon.
A Strategic Defence and Security Review would be ordered as soon as Labour came to office.
The party would continue spending at least 2% of Britain’s annual wealth on defence – a key requirement of NATO membership.
All Royal Navy and Royal Fleet Auxiliary ships – including the Fleet Solid Support vessels – would be built in Britain, in another Mirror victory.
Universal Credit would be axed, the Bedroom Tax scrapped and free TV licences saved. The manifesto says: “Labour will scrap UC.
We will immediately stop moving people onto it and design an alternative system that treats people with dignity and respect.
Our ambition in designing this system will be to end poverty by guaranteeing a minimum standard of living.”
The two-child limit for benefits and the welfare cap would be abolished. For the “Waspi” women affected by the rise in pension age to 66, Labour promised to review the retirement age “for physically arduous and stressful occupations”.
Employment and Support Allowance would be raised by £30 per week for claimants in the work-related activity group.
Labour would maintain the triple lock on pensions, which sees them rise by 2.5%, inflation or average earnings growth, whichever is higher.
Winter Fuel Payments for OAPs would be preserved, along with free TV licences for the over-75s.