This part presents the executive summary and theoretical framework by the researcher, Saleh Abu Baker bin Al-Sheikh Abu Baker, who discusses the impact of Yemeni migration on the development of Yemen in particular, and countries of migration. The researcher Saleh Abu Baker aims through his research to derive lessons from the Yemeni migration experience, especially the "Hadhrami Migration", which forms the most prominent and notable type of Yemeni migration throughout history. Where he states that Hadhrami migration has become a culture, mentality, or lifestyle that has produced wealth and spiritual influence. He also states that the Hadhrami Migration has shaped the cultural and religious life of influenced peoples in India, Southeast Asia, and East Africa.
In addition to the honor of contributing to the spread of Islam in those regions, Yemenis spread the Arabic alphabet and sparked a literary and intellectual movement. This led to the publication of more than 20 newspapers and magazines in Indonesia. Hadhrami Migration also established close ties with Arab renaissance centers in Egypt, Syria, and their figures. Hadhrami Muslims are seen as pioneers of the Arab literary and journalistic movement in the Eastern diaspora. In this part, the researcher, Sadiq Omar Maknoun presents the reciprocal impact of Hadhrami migration to Indonesia, Singapore, and the Hejaz (1850-1950). In his turn, the researcher Abdullah Mohammed Abdullah bin Tha'lab sheds light on the contribution of migrants to sustainable development in the homeland and diaspora (Hadhrami migration as a case study), while the researcher, Ahmed Mohammed Abdullah al-Saqaf addresses modern and contemporary Yemeni migration to Saudi Arabia and the Gulf Arab states, during 1950-2000.