National accounts

In 2020, Gross Domestic Product (GDP) declined in most OECD countries as a consequence of the COVID-19 pandemic. Declining GDP tends to be accompanied by a fall in tax revenue because most tax liabilities are based either directly or indirectly on production in the economy...

Air transport can move people and goods quickly over large distances and, by facilitating international trade and tourism, it contributes to economic growth and job creation. On the other hand, the aviation industry makes a significant contribution to global CO2 emissions.

New joint statistical research from the OECD and the UK Office for National Statistics describes the possible ways to measure non-market output (such as health and education) and assesses to what extent different approaches across OECD countries may have affected international comparisons of GDP during the pandemic.