Called our home 27.9.17 (Asian male) and 28.9.17 (Asian female). When I asked the man who was calling he said something about "Lifestyle" (his thick accent was very hard to understand) and assured me he wasn't selling anything and just needed a few moments of my time ..... yeah, right! He then wanted me to confirm my address and when I started saying "Sorry, but I don't confirm personal details to unsolicited callers" I got as far as "Sorry, b..." and he hung up on me. My husband got the same treatment from the female caller. Since they don't waste their time with niceties, I suggest you don't either - just tell them to go forth and multiply! 
United Kingdom