Concept:
The World Trade Organization (WTO) is the global body that regulates international trade rules between nations. Membership is granted after accession negotiations and approval by member states.
Step 1: Understand WTO membership base.
For several years, WTO membership remained at:
\[
164 \text{ members}
\]
Step 2: Identify recent accessions.
Two countries joined after successful accession processes:
• Comoros
• Timor-Leste
Step 3: Calculate updated membership.
\[
164 + 2 = 166
\]
Thus, total membership becomes 166 states.
Step 4: Interpret significance.
This makes WTO one of the most widely represented global institutions, covering nearly all global trade.
Conclusion:
As of 2026, WTO has 166 member states. Hence, Option (B) is correct.