Support for Britain to stay in the European Union stands at 51 percent, five points ahead of support for a withdrawal from the 28-member bloc but down from a 13-point lead a week ago, an ORB poll released Monday found.

Support to leave the EU grew by 4 points to 46 percent according to the poll, cited by Reuters.

Britons vote on June 23 on whether to remain in the EU, with important implications for its trade, economic and political status.