How many whales in the world approx?

According to the International Union for Conservation of Nature (IUCN), there are approximately 90 species of whales in the world. These include baleen whales, such as the blue whale and the humpback whale, as well as toothed whales, such as the sperm whale and the orca. The exact number of whales in the world is difficult to determine due to their wide distribution and the challenges involved in studying them in their natural environment. However, various conservation organizations and research institutions have conducted surveys and studies to estimate the abundance of different whale species.