More and more people on "relatively modest salaries" are being dragged into becoming higher-rate taxpayers, Budget analysis suggests.
The government defend plans in the Budget to change tax allowances for the elderly, amid claims they amount to a raid on pensioners' incomes.
George Osborne cuts the 50p top rate and the amount of income tax millions of lower earners pay - but pensioners face a future hit from the Budget.
An at-a-glance summary of the main points of the 2012 Budget as delivered by Chancellor George Osborne on 21 March 2012.
Labour leader Ed Miliband says the Budget has "failed the test" of giving priority to millions of hard-pressed families.
Business Secretary Vince Cable says cutting the top income tax rate would not have been his Budget "priority".
Properties sold for more than £2m will be subject to a new 7% stamp duty charge, Chancellor George Osborne has confirmed.
The UK economy will grow more quickly this year than previously forecast, Chancellor George Osborne says.
Government plans to withdraw child benefit from parents who earn higher levels of income have been altered.
George Osborne said the Budget "unashamedly backs business", but the reaction of the business community is mixed.
The chancellor has announced tax breaks for the games industry, a move welcomed by the industry.
Charities say big donors will be discouraged by a tax relief cap introduced in the 2012 Budget.
Chancellor George Osborne says a planned rise in fuel duty will go ahead as planned.
Smokers will pay substantially more for a pack of cigarettes and the duty on alcohol will rise 2% above the rate of inflation.
Ten cities have been chosen to benefit from super-fast broadband with 10 smaller ones to come, the chancellor announces.
The chancellor has failed to use the Budget to promote policies that benefit children and young people, teachers' unions complain.
Chancellor George Osborne announces a tax credit scheme for animators and TV production firms in the UK during the Budget for 2012.
The UK government borrowed almost twice as much as expected in February, official figures show.
UK unemployment has risen by 28,000 to 2.67 million, according to latest figures, which the government says show signs of "stabilising".
The Fitch credit ratings agency has joined Moody's and put the UK's top AAA rating on "negative outlook".
Some of the UK's most deprived areas hold the potential for the best economic growth, research for the BBC suggests.
Flanders: The economic outlook is still bleak
Easton: Who are the biggest Budget losers?
Nick Robinson on Osborne's big tax gamble
Peston: Will business repay the chancellor?
How will the chancellor's Budget affect you?
Big changes to the tax system dominate the chancellor's Budget this year.
How the Budget will affect small and medium-sized companies
Why the 50p tax rate has not worked
The Budget makes things both simple and complex
The politics of Chancellor George Osborne's Budget.
George Osborne is one of the UK's youngest and most political chancellors.