| TABLE OF CONTENTS | 4 |
| EXECUTIVE SUMMARY | 5 |
| ELECTORAL FRAMEWORK | 10 |
| PRE-ELECTION ENVIRONMENT | 11 |
| Electoral Reform Committee | 11 |
| 2010 Electoral Act | 11 |
| Transfer of Power from President Yar'Adua to Goodluck Jonathan | 12 |
| Appointment of Dr. Attahiru Jega, Chairman of the Independent National Electoral Commission | 13 |
| Date of Elections | 13 |
| Voter Registration | 14 |
| Political Party Primaries | 16 |
| Political Environment | 17 |
| IRI's National Public Opinion Survey (Pre-Election) | 18 |
| IRI's Pre-Election Assessment Missions | 18 |
| LONG-TERM OBSERVERS REPORTS | 20 |
| April 2 Election Observation | 20 |
| April 9 Election Observation | 20 |
| April 16 Election Observation | 21 |
| PRESIDENTIAL ELECTION DAY | 22 |
| Leadership and Logistics of IRI's Short-Term Election Observation Mission | 22 |
| IRI Observation Methodology | 24 |
| Polling Centers (Environment/Preparedness/Material Distribution) | 25 |
| POST-ELECTION ENVIRONMENT | 28 |
| Post-Election Violence | 28 |
| Post-Election Petitions | 29 |
| IRI's National Public Opinion Survey (Post-Election) | 29 |
| RECOMMENDATIONS | 31 |
| APPENDICES | 34 |
| First Pre-Election Assessment Mission, October 11 – 15, 2010 | 34 |
| Second Pre-Election Assessment Mission | 36 |
| IRI Preliminary Statement on Nigeria's National Elections | 40 |
| Results of Election Observation Polling Station Checklists | 43 |