How many international standards has the International Organization for Standards (ISO) developed?

The International Organization for Standardization (ISO) has developed over 21,000 international standards across a wide range of industries and sectors. These standards serve multiple purposes, including ensuring quality, safety, efficiency, and interoperability of products and services globally. They facilitate international trade and can be crucial in enhancing operational efficiencies and promoting best practices in various fields such as technology, manufacturing, environmental management, and healthcare.

The significant number of standards reflects ISO's extensive work and collaboration with national standards organizations and industry experts from various fields, demonstrating its commitment to meeting the diverse needs of markets and consumers around the world. This is why the choice indicating over 21,000 is accurate, as it captures the scale and breadth of ISO's contributions to standardization on a global level.