Background Excess dietary sodium consumption is a risk factor for high blood pressure,
stroke and cardiovascular disease. Currently, dietary sodium consumption in almost every
country is too high. Excess sodium intake is associated with high blood pressure, which is
common and costly and accounts for significant burden of disease. A large number of
jurisdictions worldwide have implemented population‐level dietary sodium reduction
initiatives. No systematic review has examined the impact of these initiatives. Objectives• To …

Background Worldwide, excessive salt consumption is common and is a leading cause of
high blood pressure. Our objectives were to assess the overall and differential impact (by
social and economic indicators) of population-level interventions for dietary sodium
reduction in government jurisdictions worldwide. Methods This is a Cochrane systematic
review. We searched nine peer-reviewed databases, seven grey literature resources and
contacted national programme leaders. We appraised studies using an adapted version of …