Introduction
NAM, or the Non-Aligned Movement, is an international organization consisting of countries that are not formally aligned with any major power bloc. It was founded in 1961 during the Cold War and aimed to promote peace, independence, and sovereignty among its member nations. This question requires identifying the country that is not a co-founder member of NAM.

Explanation
The Non-Aligned Movement was founded by five countries - Yugoslavia, India, Egypt, Indonesia, and Ghana. These countries came together in 1961 to establish a platform for countries that did not want to align with either the Soviet Union or the United States during the Cold War.

Co-founder Member Countries of NAM:
The countries that were the co-founder members of NAM are as follows:

1. Yugoslavia: Yugoslavia, under the leadership of President Josip Broz Tito, played a significant role in the formation of NAM. It hosted the first conference of non-aligned nations in Belgrade in 1961.

2. India: India, led by Prime Minister Jawaharlal Nehru, was one of the key founders of NAM. Nehru was instrumental in promoting the principles of non-alignment and played a crucial role in shaping the movement.

3. Egypt: Egypt, under the leadership of President Gamal Abdel Nasser, was also a co-founder member of NAM. Nasser played a crucial role in advocating for the rights of developing nations and promoting non-alignment.

4. Indonesia: Indonesia, led by President Sukarno, was another co-founder member of NAM. Sukarno was a prominent advocate of non-alignment and played a crucial role in the early years of the movement.

The Non-Co-founder Member Country:
The country that is not a co-founder member of NAM is Pakistan. While Pakistan did join NAM shortly after its formation in 1961, it was not one of the original five co-founder members.

In Conclusion
The Non-Aligned Movement was founded by Yugoslavia, India, Egypt, Indonesia, and Ghana. Pakistan joined NAM later but was not among the co-founder members. NAM aimed to provide a platform for countries that did not want to align with either the Soviet Union or the United States during the Cold War.