Bangladesh followed by 86.6 percent of the population. The country is home to most Bengali Muslims, the second-largest ethnic group in the Muslim world. Most Bangladeshi Muslims are Sunni, followed by Shia and Ahmadiya. About four percent are non-denominational Muslims. Bangladesh has the fourth-largest Muslim population in the world, and is the third-largest Muslim-majority country (after Indonesia and Pakistan). Sufism has a lengthy heritage in the region. The largest gathering of Muslims in Bangladesh is the Bishwa Ijtema, held annually by the Tablighi Jamaat. The Ijtema is the second-largest Muslim congregation in the world, after the Hajj. Hinduism is followed by
World Population Day Dr KC Zachariah in which population reaches Five Billion when he worked as Sr Demographer at World Bank. While press interest and general awareness in the global population surges only at the increments of whole billions of people, the world population increases annually by 100 million approximately every 14 months. The world population reached 7,400,000,000 on February 6, 2016; the world population had reached 7,500,000,000 at around 16:21 on April 24, 2017. World Population Day World Population day is an annual event, observed on July 11 every year, which seeks to raise awareness of global population issues. The event was