Veganism is when a person abstains from the use of animal products
I've actually considered going vegan myself, for moral reasons.
Yea ehtical vegans are very common which i think makes the most sense, vegan diets are followed by many
In what countries is veganism more popular? Probably not the UY
Veganism
Veganism is the practice of abstaining from the use of animal products, particularly in diet, and an associated philosophy that rejects the commodity status of animals. A follower of the diet or the philosophy is known as a vegan. Distinctions may be made between several categories of veganism. "Dietary vegans" (also known as strict vegetarians) refrain from consuming animal products, not only meat but also eggs, dairy products and other animal-derived substances. The term "ethical vegan" is often applied to those who
wider acceptance, including the roles played by cultural and religious traditions.
Deckers recognises that many people believe that vegan diets are nutritionally deficient, which is why the appendix of the book engages with the nutritional literature, concluding that carefully chosen vegan diets are nutritionally adequate.
Book chapters.
Introduction
https://dx.doi.org/10.5334/bay.a
Chapter One: The Consumption of Animal Products and the Human Right to Health Care 
https://dx.doi.org/10.5334/bay.b
Chapter Two: The Ethics of Qualified Moral Veganism 
https://dx.doi.org/10.5334/bay.c
Chapter Three: The Politics of Qualified Moral Veganism