As the figures from the 2000 Census are reported, it is clear that previous estimates for minorities have been low ingeneral, indicating the under-representation may be greater than the numbers show.
Assuming it has passed, there will now be a fresh general election, in December, with a more proportional system of representation, in which many more Sunnis are expected to participate.
Whatever the outcome of the referendum, Sunni representationin the next parliament will rise, due to improvements in the voting system to make representation more proportional and because more Sunni groups are expected to take part in December's general election than did so in January's.