Cultures that use the concept of life energy, often referred to as "Ki":

Japanese Culture (Ki/Chi/Qi): In Japanese culture, the concept of life energy is known as "Ki." It is central to traditional practices such as Reiki, martial arts (e.g., Aikido), and various forms of meditation and healing.

Chinese Culture (Qi/Chi): Chinese culture also has a concept of life energy known as "Qi" or "Chi." It is fundamental to Traditional Chinese Medicine (TCM), acupuncture, Tai Chi, Qigong, and martial arts like Kung Fu.

Indian Culture (Prana): In Indian culture, the concept of life energy is referred to as "Prana." It is central to practices such as Yoga, Ayurveda (traditional medicine), and various forms of meditation and spiritual healing.

Korean Culture (Gi): In Korean culture, life energy is known as "Gi." It is integral to practices like Taekwondo, Hapkido, and traditional Korean medicine.

Tibetan Culture (Lung): In Tibetan culture, the concept of life energy is known as "Lung." It is central to practices such as Tibetan Yoga, Tibetan Medicine, and Tibetan Buddhist meditation.

Hawaiian Culture (Mana): In Hawaiian culture, life energy is referred to as "Mana." It is believed to be a spiritual force that can be found in all living things and is often associated with strength, power, and vitality.

Polynesian Culture (Mana): Similar to Hawaiian culture, various Polynesian cultures also believe in the concept of "Mana" as a spiritual energy or power that permeates the universe and all living beings.

Egyptian Culture (Ka): In ancient Egyptian culture, the concept of life energy is represented by the "Ka." It was believed to be a spiritual double or vital essence that accompanied individuals throughout their lives and into the afterlife.

Nigerian Culture (Chi): In Igbo culture in Nigeria, the concept of life energy is known as "Chi." It is believed to be a personal god or guardian spirit that influences an individual's destiny and fortune.

Indigenous Cultures: Many indigenous cultures around the world have their own concepts of life energy or vital force, often expressed through practices such as shamanism, energy healing, and ceremonial rituals.