Premise: Wenham Parva is a village and a civil parish in Suffolk, England. It covers the village of Little Wenham (whose ancient name it takes) and the hamlet of Wenham Grange. Located in Babergh district, it had a population of 20 in 2005, making it the joint-least populated parish in Suffolk alongside South Cove, Wangford and Wordwell. At the 2011 Census the population had increased to 185.
Hypothesis: Wenham Parva had an increase of population due to immigration.