It really depends. The more interviews you do, the more robust your data. If the group you want to sample is specific, this may limit the number of interviews you can get. We are happy to chat you through your specific requirements. If you’re looking for a budget option, then 500 will do; if you want quick consumer surveys which are great for PR research, 1,000 is a good start; if you want quality consumer surveys that give you a reliable level of analysis and granularity, then 2,000 is more suitable. If the group you want to sample is specific, this may limit the number of interviews you can get. We are happy to chat you through your specific requirements.