UBI was trialled in India too:
Villages spent more on food and healthcare, children's school performance improved in 68 percent of families, time spent in school nearly tripled, personal savings tripled, and new business startups doubled.
Iran introduced a UBI in 2010:
A first assessment of the experiences in Iran was provided in 2011 by H. Talabani.[35][36] Another assessment published in 2017[37] found no evidence of cash transfers recipients reduced their participation the labor force.
In the USA:
Several Native America nations distribute dividends to their members. For example, members of the Eastern Band of Cherokee Indians, based in North Carolina, receive payments of several thousand dollars twice a year.[164] These payments are dividends from the profits of the Harrah's Cherokee casino, and have been distributed since 1996. A study of the payments' effects on the children of the community found significant declines in poverty, behavioral problems, crime, substance abuse and psychiatric problems, and increases in on-time graduation. The effects were primarily found among those who were youngest when the payments began, and among those who were lifted out of poverty rather than those who were already well-off.
A project currently underway in Brazil:
The results indicate that the BI has contributed to sustainable development in Quatinga Velho. The effects were convincing, particularly in the area of assurance of basic needs, improving the quality of life and social skills."[183] "[...]This amount of money sounds very small to people from industrialized countries, but it has a large impact in a rural area of Brazil. The coordinators have verified gains in nutrition, clothing, living conditions, health (especially in children), construction of new housing, and improvements to existing ones. In informal interviews, the coordinators have noticed increased self-esteem and social interaction, reduction of social insecurity, and rising expectations of the future, especially regarding children. They noted that they have not observed increased use of alcohol or illicit drugs; significant changes in labor relations, birth, migration or emigration, or generation of political relations and economic dependency.
It's a complex idea and at first seems counterintuitive but it's hard to bet against when you see how it has worked when used. It took me a while to get my head around. When I was first introduced to the idea I had to do some serious studying to grasp it but swiftly became a full convert. The problem lies in the logistics and practicalities of implementing the idea on a statewide basis. It's too big and emotive a project for the average politician to commit to.