Electorate
The CU was supported by orthodox Reformed of many denominations, such as the Christian Reformed Churches, the Reformed Churches in the Netherlands, Reformed Churches in the Netherlands (Liberated) and the Dutch Reformed Church. But members of newer churches such as the Evangelical Church and the Pentecostal community also supported this party. The electorate is concentrated in the smaller rural districts in the so-called "Bible Belt" an area of more conservative Christian municipalities that reaches from Overijssel, through the Veluwe and the Biesbos to Zeeland. The party also draws support from Christians with an immigrant background, who are mostly located in the large cities.
The party is also drawing support from a growing number of conservative Roman Catholics, dissatisfied with the, in their eyes, less Christian policies of the CDA. Roman Catholics are welcome to become a member of the party although one of the foundations of the party is the Heidelberg Catechism, known for its staunch anti-Catholicism. During the Provincial elections of 2007 the party fielded two Roman Catholic candidates on their shortlist of the province of Limburg. This process has alerted some prominent CDA politicians. CU-senator Egbert Schuurman stated the CU will provide a shelter for everyone who actively believes in Jesus Christ but also said the CU will always be a Protestant party.
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