Figures obtained by Channel 4 News from the Swiss Federal Migration Office show that just 320 British bankers moved to Switzerland in 2011. In 2010, the figure was 383, making a year-on-year fall of 16.4 per cent.
These numbers will undermine the argument, made by opponents of the 50p rate, that it would encourage bankers to leave the City, with low-taxSwitzerland their favoured destination.
The higher rate for those earning £150,000 or more has been one of the biggest issues around Wednesday’s budget, amid widespread speculation that the chancellor will scrap or cut the 50p rate.
The 2011 migration figure largely reverses an increase seen in 2010. However the total is still below the peak of 402, reached the year before the top-rate tax policy was announced.
Hard data on migration to avoid the 50p tax rate is scarce, and Swiss figures analysed by Channel 4 News have been widely quoted by both sides in debates about how the 50p tax rate affects the economy.