The two pie charts illustrate the primary household budget of Australian consumers between 1970 and 1990.
Overall, Cars expenses accounted for the largest category in an Australian household in 1970, while electronics was the smallest share in same year. Conversely, budget for food,fuel, and electronics increased over the years, while others decreased. Consequently, Food category recorded the highest share by 1990.
In 1970, cars expenses were recorded at 45% compared to 23% by 1990, household items and restaurant costs had an identical share of 14% each, both decreased to 7% by 1990, respectively.
By contrast, fuel usage in an Australian consumer household was at 8% in 1970, increasing slightly to 9% by 1990. Similarly, expenses on food were initially incurred at a proportion of 14%, compared to a significant higher value at 44% by 1990. Lastly, electronics had the smallest share in 1970, before increasing to 10% two decades later.