How many polygraph examiners are there in the world?

Estimating the exact number of polygraph examiners worldwide is challenging due to varying levels of certification and regulation across countries. However, it is generally believed that there are several thousand trained and certified polygraph examiners globally. The profession is more prevalent in countries like the United States, where there are established organizations and training programs. Overall, the number may fluctuate as new examiners enter the field and others retire or change careers.