Based on the data above, it’s from http://www.who.int/mediacentre/factsheets/fs311/en/ . In my opinion, information from this website is reliable and current data. Because the data was last updated from the data source and the data source is trustworthy because this's written by WHO (World Health Organization) .The World Health Organization (WHO) works with all Member States to support their national health development process, whether or not WHO has a physical presence. Organization goal is to build a better, healthier future for people all over the world. Working through offices in more than 150 countries, WHO staff work side by side with governments and other partners to ensure the highest attainable level of health for all people. Together we strive to combat diseases – infectious diseases like influenza and HIV and no communicable ones like cancer and heart disease. We help mothers and children survive and thrive so they can look forward to a healthy old age.