the ratio of girl and boy in the world in 2017 was 1.06 males / female.
the ratio of girl and boy in the world in 2017 was 1.06 males / female.
ratio of girl and boy in world 2017?
1.06 males / female
Na
Na
guan siyu









































guan siyu (; born may 19, 1994) is a chinese model and beauty pageant titleholder who was crowned miss china world 2017 and now is a contestant for miss world 2017 to be held china.









































section::::early life.









































she was born in harbin, heilongjiang, china. she also has a bachelor of arts.









































section::::career.









































section::::career.:miss china world 2017.









































siyu was crowned miss china world 2017 by outgoing titleholder jing kong and now she will represent her country at miss world 2017 on november 18, 2017 in sanya, china.









































section::::career.:miss world 2017.
guan siyu