Band 6+: The bar chart below shows the production of the world’s oil in OPEC and non-OPEC countries. Write a short report for a university lecturer describing the information shown below.

The bar chart gives information about the production of oil in OPEC Middle East, OPEC, and non-OPEC countries between 1980 and 2020.

Overall, the world’s oil production increased in non-OPEC and other OPEC countries, with non-OPEC countries experiencing the most significant growth. In contrast, the OPEC Middle East’s oil production declined slightly over the period.

During 1980-2000, the production of oil was the highest in other OPEC countries, at around 12 million of barrels, followed by non-OPEC countries, at 2 million barrels. Furthermore, there was not produced oil in OPEC Middle East countries between 1980 and 2000. It is noticeable that the oil production in non-OPEC countries surged threefold, leveling off at 6 million barrels during 2000-2010, while other OPEC countries experienced only steady increase to 14 million barrels. In addition, OPEC Middle East’s joined the ranking, surpassing the others at 19 million barrels.

The upward trend continued for non-OPEC and other OPEC countries, reaching 16 million and 17 million of barrels between 2010 and 2020, whereas the production of oil in OPEC Middle East countries declined steadily, dropping to 18 million of barrels.