Here's some figures - 30% of all divorces are where one party is divorcing for the second or more time.
From the FT:
Britain has the world's 14th highest marriage break-up rate
*The number of UK divorces has been increasing in recent years, with 167,116 legal break-ups in 2004, according to the most recent figures from the Office for National Statistics
*The number of divorces in 2004 was the highest since 1996, but lower than the peak of 180,018 in 1993
*In 1961, 27,224 marriages ended in divorce
*In 2004 there were 311,180 marriages, but just 161,300 of those were the first marriage for both partners. Almost 50,000 were remarriages for both parties
*The number of weddings peaked at 480,285 in 1972
*More than 30 per cent of divorces granted in 2004 involved a husband or wife's second or subsequent marriage
*The average British divorce occurs after 11 years of marriage and the average age at divorce is 42.7 years for men and 40.2 years for women
*The woman keeps the house in 46 per cent of divorce cases, the man in 29 per cent. Divorcing couples split an average of £165,000 in assets
*Over the past few decades people have been tending to marry later in life. The average age for first marriages in England and Wales in 2004 was 31 for men and 29 for women
*Since 1992, there have been more civil than religious marriage ceremonies in England and Wales. In 2004, 68 per cent of marriages were civil ceremonies