Countries in the top quartile of HDI ("very high human development" group) with a missing IHDI include: New Zealand, Liechtenstein, Japan, Hong Kong, Singapore, Taiwan, United Arab Emirates, Andorra, Brunei, Malta, Qatar, Bahrain, Chile, Argentina and <answer>Barbados</answer>.
Which Caribbean nation is in the top quartile of HDI (but missing IHDI)?
Barbados