Currently, there are more than 100 theological educational institutions are members of ATA. These are located in Australia, Bangladesh, Hong Kong, India, Indonesia, Israel, Japan, Jordan, Korea, Malaysia, Mongolia, Myanmar, Pakistan, Philippines, Singapore, Sri Lanka, Taiwan, Thailand and the United States.

There are two types of membership in ATA, which are associate member and accredited member.

An Associate Member is a theological educational institution serving Asians, which abides by the World Evangelical Fellowship Statement of Faith.

An Accredited Member is a theological educational institution that has programs accredited by ATA. Associate members are encouraged to later become accredited members. Over 90% of ATA members are accredited members. Both associate and accredited members pay an annual membership fees.

Application of membership in the ATA is the first step in seeking accreditation and fellowship. Membership Application fee is US$60 . Application should be sent to the ATA Administrative Office 54 Scout Madrinan St. Quezon City 1103, Philippines . Fees paid by cheque should be addressed to Asia Theological Association, Manila, Inc. There will be an annual membership fee of US$215.00 upon approval of membership status.