Table 1. Methods for estimating household-level consumption of different food types (rows) from Defra (National Food Survey, National Food Survey Adjusted and Family Food Module) and FAO (Food and Agriculture Organisation) sources (columns).

Defra data on nuts and pulses purchases are only available from 1974 onwards. *Margarine was excluded from dairy purchases of National Food Survey (Defra). Family food module: hh= household; eo= eating out.

Food type	National Food Survey (Defra 1942- 1974) “Household consumption of selected foods from 1942 to 2000”	National Food Survey Adjusted (Defra 1974-2000) “UK-household purchases”	Family Food Module (Defra 2000-2018) “UK-household purchases” and “UK- eating out purchases”	FAO (1961-2018) (food supply quantity)
Meat	Total meat and meat products + Total fish and fish products	Carcase meat + Non- carcase meat and meat products + Fish	Carcase meat hh + Non-carcase meat and meat products hh + Meat and meat products eo + Fish hh + Fish and fish products eo	Meat (total) + Fish, seafood (total)
Dairy	Total milk and cream + Total cheese + Butter	Milk products and milk products excluding cheese + Cheese	Milk products and milk products excluding cheese hh + Cheese hh + Milk-based drinks eo + Cheese eo + Yoghurt and fromage frais eo + Ice cream eo	Milk- Excluding Butter + Butter, Ghee + Cream
Nuts and Pulses	No data	Nuts, seeds and peanut butter + Dried pulses other than air-dryed + Other canned beans and pulses	Nuts, seeds and peanut butter hh + Dried pulses other than air-dryed hh + Other canned beans and pulses hh + Beans and pulses eo + Nuts and seeds eo	Beans + Groundnuts (Shelled Eq) + Nuts and products + Pulses, other and products + Soyabeans (available at http://www.fao.org/faostat/ en/#data/CC)
Calories	Energy (kcal) Data from “Household nutrient data from 1940 to 2000 – 1940- 2000”	Energy (kcal) Data from “ UK - household and eating out nutrient intakes (Household_ intake)”	Energy (kcal) Data from “UK - household and eating out nutrient intakes (Total_intake)”	Grand total (food supply, kcal/capita/day)
Bovine	Beef and veal	Beef and veal + Ox liver + Corned beef, canned or sliced	Beef and veal hh + Ox liver hh + Corned beef, canned or sliced hh + Steak - without sauce (e.g. braised, sirloin) eo	Bovine Meat
Mutton	Mutton and lamb	Mutton and lamb + lamb liver	Mutton and lamb hh + lambs liver hh + Lamb chops with sauce or gravy eo	Mutton & Goat Meat
Pork	Pork, bacon and ham	Pork + Sausages, uncooked – pork + Bacon and ham, cooked + Bacon and ham, uncooked + Pigs liver	Pork hh + Sausages, uncooked – pork hh + Bacon and ham, cooked hh + Bacon and ham, uncooked hh + Pigs liver hh + Bacon eo + Pork chops with sauce or gravy eo + Gammon or ham eo	Pigmeat
Poultry	Poultry	Cooked poultry not purchased in cans + Chicken, uncooked - whole chicken or chicken pieces + Other poultry, uncooked (including frozen)	Cooked poultry not purchased in cans hh + Chicken, uncooked - whole chicken or chicken pieces hh + Other poultry, uncooked (including frozen) hh + Poultry eo + Chicken burger eo	Poultry Meat
Fish	Total fish and fish products	Fish	Fish hh + Fish and fish products eo	Fish, seafood (total)