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Facts & Figures

Kidney Facts

  • The kidneys have a higher blood flow than even the brain, liver or heart.
  • The kidneys reabsorb and redistribute 99% of the blood volume and only 0.1% of the blood filtered becomes urine.
  • Each kidney is about 4½ inches (11.4 cm) long.
  • Each kidney weighs approximately 170gms and is the size of your fist.
  • The kidneys of a newborn baby are about 3X larger in proportion to body weight as in the adult.
  • The volume of urine excreted daily varies from 1000 to 2000 ml (averaging 1500 ml).
  • What year was the first successful kidney transplant? (1954 with identical twins in the US)
  • Your kidneys represent about 0.5% of the total weight of the body, but receive 20–25% of the total arterial blood pumped by the heart.
  • Your kidneys receive about 5.6 litres of blood per hour.
  • Each kidney contains approximately one million nephrons
  • Placed end to end, the nephrons of one kidney would stretch about 8 km

Renal Statistics

The 45th Annual ANZDATA Report (2022) includes analyses of data to 31st December 2021. For the survey period ending 31-December-2021, all renal units across Australia and New Zealand contributed data to the Registry. This report produces a wide range of statistics relating to incidence, prevalence and outcomes of treatment, of those with end stage kidney failure.

For more info click : https://www.anzdata.org.au/report/anzdata-45th-annual-report-2022-data-to-2021/