5-1. Country names, languages, and nationalities
5.1.1 Country names
Four mora European and American countries tend to have the L-H-H-H pattern. (スペイン is an exception.)
China and Korea do not follow the pattern above. They have the H-L-L-L pattern.
Longer names tend to end in H-L-L. (サウジアラビア is an exception.)
Saudi Arabia (EXCEPTION)
5.1.2 Languages: ～ご(語)
Languages pronounced in Japanese usually do not have a falling pitch.
5.1.3 Nationalities: ～じん (人)
Nationalities ends in L-L. (にほんじん nihonjin as an exception.)