The British Retail Consortium estimates that up to 12% of high street shops are vacant.
The British Retail Consortium (BRC) said like-for-like retail sales were up 2.7% on the previous year.
BBC: UK retail sales grew at fastest rate for years in February
Richard Dodd, from the British Retail Consortium, told BBC Breakfast that supermarkets were being unfairly demonised.
The British Retail Consortium disagreed, saying the government was right to reject minimum alcohol pricing.
The British Retail Consortium (BRC) said Christmas spending in shops this year was "acceptable but not exceptional".
The British Retail Consortium argues the government is tackling the problem of food waste in the wrong way.
BBC: Scrap food sell-by dates, government urges manufacturers
The number of shoppers on UK High Streets fell last month, according to the British Retail Consortium (BRC).
The companies' sales news confirms figures from the British Retail Consortium, showing high street stores enjoyed a booming Christmas.
Responding to the idea of more compulsory fees, the British Retail Consortium said the industry was already making progress.
Richard Dodd, from the British Retail Consortium (BRC), said there were a "good number of sensible ideas" in the report.
The British Retail Consortium reported today that December sales were up in nominal terms, but failed to match inflation.
The British Retail Consortium (BRC) said its figures showed that August had the slowest sales growth they had seen all year.
The British Retail Consortium (BRC) said the number of people visiting shops last month was 5.2% lower than a year ago.
The British Retail Consortium (BRC) said 573 shops closed, even before the recent big-name failures of HMV, Jessops, Comet and Blockbuster.
For this reason the Olympics will boost food sales more than non-food products, predicts the British Retail Consortium, a trade association.
Retail sales fell 0.4% on a like-for-like basis from the same month last year, according to the British Retail Consortium (BRC).
The large-scale view: The British Retail Consortium confirmed Tuesday that sales among its members had risen by a better-than-expected 4.2% in December.
Snow and low temperatures caused a 3.8% drop in shopper numbers compared with March last year, the British Retail Consortium (BRC) said.
Meanwhile, new tests conducted on beef retail products revealed no new cases of horsemeat adulteration, the British Retail Consortium (BRC) has said.
According to the British Retail Consortium (BRC), 11.2 per cent of all shops on high streets and in shopping centres are vacant.
FORBES: The Least Surprising Economic Statistic of Our Times
And the British Retail Consortium said the UK's major supermarkets had increased their stocks of non-threatened fish, but this was a global problem.
In an interview with Reuters news agency, the head of the British Retail Consortium, Stephen Robertson, said retailers were "finding life extremely difficult".
However, the British Retail Consortium, who were also consulted as part of the committee's evidence-gathering process, said it was opposed to a levy.
Snow and low temperatures caused a 3.8% drop in footfall in Scottish shops compared to March last year, the British Retail Consortium (BRC) said.
Like-for-like sales still fell 0.6% from a year ago, according to the British Retail Consortium, but it follows a 2.1% drop seen in May.
According to Andrew Opie of the British Retail Consortium, UK meat producers already show on the pack where an animal was born and reared.
"UK egg producers have worked hard to meet high welfare standards ahead of parts of Europe, " the British Retail Consortium's food director Andrew Opie said.
The British Retail Consortium says the number of single-use bags has fallen in recent years from 10.6 billion in 2006 to 6.1 billion in 2010.
But the British Retail Consortium, representing UK shopkeepers, praised the move.
Richard Dodd from the British Retail Consortium said the export ban had come at the worst time for the industry, resulting in farmers missing out on European markets.
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