The question asks about the specific date when World Population Day is observed globally. World Population Day is an important international day established by the United Nations to raise awareness about global population issues.

Understanding World Population Day

World Population Day aims to draw attention to the urgency and importance of population issues, including their relation to the environment and development. It highlights various demographic topics such as family planning, gender equality, poverty, maternal health, and human rights.

Different international days are celebrated throughout the year to focus attention on key issues. Identifying the correct date for World Population Day requires knowing this specific UN observance.

Let's look at the options provided:

• Option 1: 2^nd June
• Option 2: 15^th August
• Option 3: 5^th September
• Option 4: 11^th July

Based on international observances, World Population Day is celebrated on the eleventh day of July each year.

Determining the Correct Date

The United Nations General Assembly established World Population Day in 1989. The date, July 11th, was chosen because it was the approximate date when the world's population reached five billion people in 1987. This day serves as a reminder of the significant demographic changes happening globally and the challenges and opportunities associated with them.

Comparing this information with the given options, the date that matches the celebration of World Population Day is 11^th July.

Summary of Options

Therefore, the correct day for celebrating World Population Day is 11^th July.

Revision Table: Important Days and Observances

Additional Information on World Population Day

World Population Day provides an opportunity to reflect on how population trends impact global development goals. Each year, a specific theme is chosen to focus efforts and awareness on a particular aspect of population dynamics, such as sustainable development, vulnerable populations, or reproductive health rights. Governments, NGOs, and communities worldwide organize various events, seminars, and campaigns to mark the day and educate the public.