I can't answer directly but this could help. I hope.
Explanation:
Country comparison
Burundi
United States
Population:11,531,000 328,240,000
Official language:Kirundi English
Government
Government form:Presidential republic Federal presidential republic
Independent since:1962 n.Chr. 1776 n.Chr.
Capital:Bujumbura Washington, D.C.
Population
Inhabitants per km²:414.3 33.4
Life expectancy males:59.4 years 76.1 years
Life expectancy females:63.0 years 81.1 years
Average age:17.6 years 37.4 years
Birthrate:39.01 ‰ 11.60 ‰
Deathrate:7.93 ‰ 8.60 ‰
Migrationrate:-0.80 ‰ 3.00 ‰
Quality of life
Values from 0 (bad) to 100 (very good)
Visit also: Explanations and country ranking on quality of life
Political stability:42 74
Civil rights:10 83
Health:10 74
Climate:72 64
Cost of Living:50 38
Popularity:27 85
Economy
Currency:Burundi Franc (1 BIF = 100 Centimes) US Dollar (1 USD =100 Cents)
Unemployment rate:1.4 % 3.9 %
Inflation rate:-0.69 % 1.81 %
Commercial taxes and contributions:41.20 % 36.60 %
Average income:250 € 58,821 €
Corruption index:19 (very bad) 69 (moderate)
totalper 1000 people totalper 1000 people
Gross domestic product:2,691 Mio €0.23 M € 19,145,356 M €58.33 M €
Gross national product:2,845 Mio €0.25 M € 19,308,457 M €58.82 M €
Exported goods:255 M €0.02 M € 2,258,389 M €6.88 M €
Imported goods:809 M €0.07 M € 2,773,678 M €8.45 M €
Infrastructure
totalper 1000 people totalper 1000 people
Roadways:12,322 km1.07 km 6,586,610 km20.07 km
Airports:70.001 13,5130.041
Energy balance
totalper 1000 people totalper 1000 people
Energy consumption:382.70 m kWh33,190.00 kWh 3,902.00 bn kWh11.89 m kWh
Energy production:304.00 m kWh26,364.68 kWh 4,095.00 bn kWh12.48 m kWh
Energy export:0.00 kWh0.00 kWh 9.70 bn kWh29,536.36 kWh
Energy imports:100.00 m kWh8,672.59 kWh 72.72 bn kWh221,545.53 kWh
CO2 emissions:495,045.00 t42.93 t 5.01 bn t15,251.98 t
Telecommunication
International dialing:+257 +1
Internet domain:.bi .us
totalper 1000 people totalper 1000 people
Landlines:20,9362 107,281,000327
Mobile phones:6,643,411576 422,000,0001,286
Internet server:2290 505,000,0001,539
Internet users:306,80027 290,488,378885
Healthcare system
Hospital beds/1000 inh.:0.80 2.90
Physicians per 1000 inh.:0.05 2.59
Diabetes sufferers:5.1 % 10.8 %
HIV sufferers:0.20 % 0.22 %
Tuberculosis sufferers:1.1 % 0.0 %
Tuberculosis cure rate:94.0 % 79.0 %
Smokers:12.6 % 25.1 %
Climate
Detailed info for: Burundi and United States
Daytime temperatures:28.9 °C 18.8 °C
Nighttime temperatures:18.8 °C 7.3 °C
Relative humidity:72 % 67 %
Absolute humidity:16 g/m³ 9 g/m³
Rain days per year:87.6 85.2
Sunshine hours per day:6.5 7.2
Native languages
Kirundi:98.1 % n/a
English:0.1 % 82.1 %
Spanish:n/a 10.7 %
Chinese:n/a 0.9 %
French:0.3 % 0.7 %
German:n/a 0.6 %
Italian:n/a 0.6 %
Tagalog:n/a 0.4 %
Korean:n/a 0.3 %
Polish:n/a 0.3 %
Swahili:0.2 % n/a
Vietnamese:n/a 0.2 %
Japanese:n/a 0.2 %
Portuguese:n/a 0.2 %
Russian:n/a 0.2 %
other:1.3 % 2.6 %
Religions
Christianity:86.0 % 78.5 %
Islam:2.5 % 1.1 %
Jewry:n/a 1.8 %
Sikhism:n/a 1.6 %
Hinduism:n/a 1.0 %
Buddhism:n/a 0.7 %
other:11.5 % 15.3 %