The average household in developed countries uses between 80–100 gallons (300–380 liters) of water per person per day, though total household consumption varies by family size and location. A typical four-person household may use 300–400 gallons daily. Indoor uses dominate consumption: toilets account for 20–30% of household water use, followed by washing machines (15–20%), showers (15–20%), and faucets (15–20%), with the remaining portion used for outdoor irrigation, leaks, and other purposes. Usage patterns differ significantly across regions—households in arid climates often use more water for landscaping, while those in water-rich areas may have higher consumption due to affordability and abundant supply. Climate, household size, appliance efficiency, and local water infrastructure all influence daily water use. Low-flow fixtures, fix leaks promptly, and mindful consumption can reduce household water usage substantially. Actual consumption figures vary based on whether outdoor watering is included, as lawn and garden irrigation can double residential water demand during dry seasons.