Data Vis Dispatch, May 26: Ebola outbreak, taxing the rich, and caregiving in a super-aged society

This week, the spotlight is on Central Africa, a region that faces a number of challenges. Currently, the most severe: an unusually fast outbreak of Ebola, a serious, often fatal disease, in the Democratic Republic of the Congo and Uganda. While deadly violence has decreased in Burkina Faso, Nigeria has seen a sharp rise in recent years.

Last week, Vladimir Putin visited China and prompted comparisons of President Xi's relationships with Russia and the United States. Other visualizations covering Asia include the turbulent year of Japanese currency, a creative map of Vietnam's land cover, and the history of K-pop.

In the United States, primary elections have taken place in several states. Donald Trump continues to receive support from his cabinet and most of older Republican voters. California's voters show a surprising three-way split.

The Iran war continues despite an official ceasefire, holding up traffic in the Strait of Hormuz and further increasing the price of gas.

In Europe, levels of trust differ among the youth. Meanwhile, the United Kingdom reflects on local election results — and what is perceived to be Britain's second city.

Taxing extreme wealth is a hot topic in the U.K. and California, even though proposed changes would affect very few people.

Other notable visualizations this week cover population projections, a high number of new coal plants, the tenures of scientists, and the lifespans of dog breeds.