in the proportion of women of reproductive age who were married or in-union who had access to modern family planning methods, from 74.5% in 2000 to 76.7% in 2017. In 2017, an estimated 13 million births will be to girls under age 20 with almost 1.8 billion adolescents and youth globally, investing in their health and well-being is essential to achieving the 2030 agenda. In West Africa, the number of women using contraceptives more than doubled between 2011 and 2020. Target 3.8: Achieve universal health coverage The full text of Target 3.8 is: "Achieve universal health coverage, including financial risk protection, access to quality essential health-care services and access to safe, effective, quality and affordable essential medicines and vaccines for all." Indicator 3.8.1: Coverage of essential health services. Indicator 3.8.2: Proportion of population with large household expenditures on health as a share of total household expenditure or income Through the lens of leaving no one behind, Universal Health Coverage (UHC) includes migrants and refugees, many of whom may not have legal status or are unaccounted, in financial risk protection schemes and access to equitable health services. Primary health care (PHC) is the most important pathway to achieve universal health coverage. This because it can address more than 80 percent of a person's health needs and is accessible and affordable. In 2020, the COVID-19 pandemic resulted in a reduction in the "Universal Health Coverage Effective Coverage Index" (an index which assesses whether people in a country have access to essential health services). Target 3.9: Reduce illnesses and deaths from hazardous chemicals and pollution The full text of Target 3.9 is: "By 2030, substantially reduce the number of deaths and illnesses from hazardous chemicals and air, water and soil pollution and contamination." Indicator 3.9.1: Mortality rate attributed to the household (indoor) and ambient (outdoor) air pollution. Indicator 3.9.2: Mortality rate attributed to unsafe water, sanitation, and lack of hygiene. Indicator 3.9.3: Mortality rate attributed to unintentional poisoning. Household air pollution is estimated to cause half of all pneumonia deaths among children under age five. The global mortality rate from unintentional poisonings decreased by 33% between the years 2000 and 2015 but still causes 108,000 deaths annually. Target 3.a: Implement the WHO framework convention on tobacco control The full text of Target 3.a is: "Strengthen the implementation of the World Health Organization Framework Convention on Tobacco Control in all countries, as appropriate." Target