Statistically, the poorer the country, the greater the corruption.

Corrupt officials do not work for the benefit of citizens, leading to deepening poverty in a poor country.

Resistance to corruption (in 2016) in rich countries (top graph) and poor (bottom):

Many poor countries bears witness that ownership does not determine fully the scale of corruption. Compared to the average country with a similar per capita GDP, corruption in them is smaller.

With this compared favorably stand out: Rwanda, Bhutan, Cape Verde, Burkina Faso, Senegal, Liberia, Niger, Sao Tome and Principe, Georgia, Ghana.

Greater corruption than would result from the GDP per capita, they have especially: Libya, Venezuela, Iraq, Syria, Somalia, Sudan, Angola.
Full list of countries on the audited rate of corruption in 2016:

Corruption

Country	Projected GDP per capita 2017 [nominal $]	2016 score (the best is 100)	Improved resistance to corruption than resulting from the income of the country by:	2016 Rank
Rwanda	827	54	124%	50
Bhutan	3424	65	97%	27
Cape Verde	3419	59	80%	38
Burkina Faso	689	42	79%	72
Senegal	1015	45	78%	64
Liberia	544	37	68%	90
Niger	453	35	61%	101
Sao Tome and Principe	1782	46	60%	62
Georgia	4424	57	60%	44
Ghana	1536	43	54%	70
Botswana	6501	60	49%	35
Lesotho	1176	39	49%	83
Malawi	432	31	45%	120
New Zealand	39703	90	45%	1
Benin	874	36	44%	95
Ethiopia	780	34	43%	108
Saint Vincent and the Grenadines	7505	60	41%	35
Finland	44561	89	40%	3
Zambia	1505	38	39%	87
India	1882	40	38%	79
Togo	648	32	38%	116
Dominica	7548	59	38%	38
Solomon Islands	2183	42	37%	72
Saint Lucia	8722	60	37%	35
Uruguay	17264	71	34%	21
Denmark	56220	90	32%	1
Sweden	55624	88	31%	4
Chile	14340	66	30%	24
Netherlands	46129	83	30%	8
Estonia	19645	70	29%	22
Namibia	6633	52	29%	53
Germany	43555	81	28%	10
Mali	881	32	27%	116
Canada	46597	82	26%	9
Tanzania	1046	32	25%	116
Grenada	9762	56	24%	46
United Kingdom	47559	81	24%	10
Jordan	6064	48	23%	57
Belgium	42044	77	23%	15
Poland	14012	62	23%	29
Sierra Leone	847	30	23%	123
C?te d?Ivoire	1523	34	23%	108
Singapore	57937	84	22%	7
Norway	77572	85	22%	6
Switzerland	82404	86	22%	5
Madagascar	435	26	20%	145
Tunisia	4045	41	20%	75
Timor-Leste	2009	35	19%	101
Australia	52583	79	19%	13
Japan	34864	72	19%	20
Costa Rica	11952	58	19%	41
Gambia	483	26	19%	145
Guinea	629	27	18%	142
Nepal	860	29	18%	131
Bahamas	23121	66	18%	24
Mozambique	635	27	17%	142
Hong Kong	47940	77	17%	15
Iceland	53966	78	17%	14
Austria	46540	75	16%	17
South Africa	5966	45	16%	64
Barbados	16702	61	16%	31
Mauritius	10419	54	15%	50
Luxembourg	107308	81	14%	10
Pakistan	1576	32	14%	116
Lithuania	16244	59	14%	38
Portugal	20393	62	12%	29
France	39658	69	12%	23
Morocco	3464	37	11%	90
Latvia	15423	57	10%	44
Serbia	5774	42	10%	72
Indonesia	3782	37	10%	90
Slovenia	22119	61	10%	31
Cuba	7907	47	9%	60
Montenegro	7129	45	8%	64
Mongolia	4275	38	8%	87
Ireland	55683	73	8%	19
Philippines	3355	35	7%	101
United Arab Emirates	38954	66	7%	24
Uganda	650	25	7%	151
United States	60347	74	7%	18
Vietnam	2390	33	6%	113
Bosnia and Herzegovina	4600	39	6%	83
Kosovo	3857	36	6%	95
Kyrgyzstan	1281	28	6%	136
Albania	4694	39	6%	83
Taiwan	25707	61	5%	31
Israel	35016	64	5%	28
Jamaica	5194	39	3%	83
Romania	10279	48	3%	57
Czech Republic	18363	55	2%	47
Bolivia	3203	33	2%	113
Malaysia	11258	49	2%	55
El Salvador	4373	36	2%	95
Laos	2013	30	2%	123
Belarus	6403	40	1%	79
Djibouti	2077	30	1%	123
Sri Lanka	4545	36	0%	95
Moldova	2080	30	0%	123
Comoros	807	24	0%	153
Mauritania	1400	27	-1%	142
Spain	27485	58	-1%	41
Croatia	12322	49	-1%	55
Myanmar	1634	28	-1%	136
Egypt	4065	34	-1%	108
Armenia	3485	33	-1%	113
Tajikistan	1033	25	-2%	151
The FYR of Macedonia	5443	37	-3%	90
Bulgaria	7377	41	-3%	75
Brunei	32644	58	-3%	41
Cameroon	1360	26	-3%	145
Cyprus	23597	55	-3%	47
Hungary	13611	48	-4%	57
Malta	24974	55	-4%	47
Slovakia	17608	51	-5%	54
Honduras	2447	30	-5%	123
Suriname	10534	45	-5%	64
Burundi	344	20	-5%	159
Democratic Republic of Congo	559	21	-5%	156
Bangladesh	1511	26	-6%	145
Algeria	4594	34	-6%	108
Central African Republic	404	20	-6%	159
Guyana	4595	34	-7%	108
Ukraine	2400	29	-7%	131
Papua New Guinea	2130	28	-7%	136
Kenya	1643	26	-9%	145
Korea (South)	30307	53	-10%	52
China	9073	40	-10%	79
Colombia	6981	37	-10%	90
Brazil	9101	40	-11%	79
Thailand	6425	35	-12%	101
Nigeria	2784	28	-12%	136
Turkey	10330	41	-12%	75
Qatar	77966	61	-13%	31
Oman	16658	45	-14%	64
Peru	6644	35	-14%	101
Paraguay	4231	30	-14%	123
Nicaragua	2142	26	-14%	145
Zimbabwe	1110	22	-15%	154
Saudi Arabia	23433	46	-19%	62
Guatemala	4210	28	-19%	136
Haiti	873	20	-19%	159
Greece	20114	44	-20%	69
Italy	31206	47	-21%	60
Gabon	8824	35	-21%	101
Cambodia	1342	21	-21%	156
Maldives	10096	36	-21%	95
Iran	5107	29	-23%	131
Chad	1152	20	-23%	159
Azerbaijan	6190	30	-24%	123
Ecuador	6782	31	-24%	120
Bahrain	25249	43	-25%	70
Panama	14789	38	-26%	87
Eritrea	835	18	-26%	164
Dominican Republic	7191	31	-26%	120
Argentina	13777	36	-28%	95
Guinea-Bissau	625	16	-29%	168
Kuwait	33455	41	-32%	75
Uzbekistan	2584	21	-34%	156
Afghanistan	629	15	-34%	169
Mexico	9849	30	-34%	123
Trinidad and Tobago	20064	35	-36%	101
Republic of Congo	2801	20	-38%	159
Kazakhstan	10989	29	-39%	131
Russia	11700	29	-40%	131
Lebanon	12101	28	-43%	136
South Sudan	265	11	-48%	175
Yemen	1395	14	-48%	170
Korea (North)	757	12	-49%	174
Turkmenistan	8446	22	-50%	154
Angola	4758	18	-52%	164
Sudan	2206	14	-55%	170
Somalia	600	10	-55%	176
Syria	1979	13	-55%	173
Iraq	5957	17	-56%	166
Venezuela	8063	17	-61%	166
Libya	10239	14	-70%	170

[Study on the basis Transparency International.]