this means that roughly yearolds in mexico in france and around million yearolds in brazil do not yet have the basic knowledge and skills needed to thrive in modern societies the oecd already offers measurement tools to this end and is committed to improving expanding and enriching its assessment tools in december results from the most recent pisa cycle involving more than high and middleincome countries will become available through pisa countries can also build their capacity to develop relevant data and while most countries that have participated in pisa already have adequate systems in place that isn t true for many lowincome countries