The World Health Organization (WHO) recommends eating no more than 5g of salt per day to prevent non-communicable disease. This section contains various guidance documents detailing the measurement of population salt intake.

• WASSH and WHO Regional Office for South-East Asia, 2021. Measurement of Population Salt Intake
• Pan American Health Organization (PAHO), 2010. A review of methods to determine the main sources of salt in the diet 
• PAHO, 2010. Protocol for population level sodium determination in 24-hour urine samples 
• WHO Regional Office for the Eastern Mediterranean, 2018. How to obtain measures of population-level sodium intake in 24-hour urine samples 
• WHO Europe, 2020. Accelerating salt reduction in Europe