Step 1: Understanding the question.
This question is asking about the country with the highest sex ratio (gender ratio). Latvia has the highest sex ratio among these countries, with a higher number of females compared to males.
Step 2: Analyzing the options.
(A) जापान: Japan has a relatively lower sex ratio, with more males than females.
(B) फ्रांस: France's sex ratio is not the highest compared to Latvia.
(C) चीन: China has a lower sex ratio due to cultural and societal factors.
(D) लातविया: Correct — Latvia has the highest sex ratio, with more women than men.
Step 3: Conclusion.
The correct answer is (D) लातविया, as it has the highest sex ratio.