18 Japanese filmmakers chose 5 documentaries to answer the question:

"If you had to recommend a young person 5 'documentaries' to watch in order to show what cinema has to offer, what would you choose and why?"

arthouse-guide.jp

Yū Irie (1 - 5)
Sara Ogawa (6 - 9, already listed: The Emperor's Naked Army Marches On)
Kaori Oda (10 - 14)
Natsuka Kusano (15 - 19)
Haruka Komori (20 - 24)
Ryūichi Shimada (25 - 29)
Kōji Shiraishi (30 - 34)
Natsuki Seta (35 - 39)
Kazuhiro Sōda (40 - 44)
Katsuya Tomita (45 - 49, already listed: Magino Village: A Tale, The Forgotten Imperial Army)
Nanako Hirose (50 - 53, already listed: The Quince Tree Sun)
Kōji Fukada (54 - 58)
Akio Fujimoto (59 - 61, already listed: The Quince Tree Sun, Three Sisters)
Sora Hokimoto (62 - 63, already listed: In Vanda's Room, Self and Others, The Written Face)
Yōju Matsubayashi (64 - 67, already listed: My Name is Salt)
Sho Miyake (68 - 72, yes, he really listed these)
Yōko Yamanaka (73 - 76, already listed: The Quince Tree Sun)
Satoko Yokohama (77 - 79, already listed: Children in the Classroom, Daguerréotypes, Grey Gardens)