According to Statistics Netherlands (CBS), a Dutch governmental institution, about 5% of the total population are Muslims (24 October 2007). Earlier statistics presented by the CBS showed a larger number of Muslims, but this information was solely based on ethnicity and not on religious belief. Since 2007 a reduction of around 50,000 Muslims was measured by the CBS, but this is not seen as a significant drop; it is seen as a result of improved research parameters.